Home / 658,144.07-987,216.03-159,508.07

Finding the Fourth Proportional to 658,144.07, 987,216.03 and 159,508.07

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Solution

The fourth proportional to 658,144.07, 987,216.03 and 159,508.07 is: 239,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,144.07 : 987,216.03 = 159,508.07 : x
  2. Step 2: Convert to fraction form
    658,144.07/987,216.03 = 159,508.07/x
  3. Step 3: Cross multiply
    658,144.07x = 987,216.03 × 159,508.07
  4. Step 4: Simplify right side
    658,144.07x = 157,468,918,682.28
  5. Step 5: Solve for x
    x = 157,468,918,682.28/658,144.07
  6. Step 6: Final answer
    x = 239,262.08

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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.