Home / 658,148.38-987,222.56-159,512.38

Finding the Fourth Proportional to 658,148.38, 987,222.56 and 159,512.38

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Solution

The fourth proportional to 658,148.38, 987,222.56 and 159,512.38 is: 239,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,148.38 : 987,222.56 = 159,512.38 : x
  2. Step 2: Convert to fraction form
    658,148.38/987,222.56 = 159,512.38/x
  3. Step 3: Cross multiply
    658,148.38x = 987,222.56 × 159,512.38
  4. Step 4: Simplify right side
    658,148.38x = 157,474,220,135.29
  5. Step 5: Solve for x
    x = 157,474,220,135.29/658,148.38
  6. Step 6: Final answer
    x = 239,268.57

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.