Home / 158,400.47-238,274.94-143,586.23

Finding the Fourth Proportional to 158,400.47, 238,274.94 and 143,586.23

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Solution

The fourth proportional to 158,400.47, 238,274.94 and 143,586.23 is: 215,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,400.47 : 238,274.94 = 143,586.23 : x
  2. Step 2: Convert to fraction form
    158,400.47/238,274.94 = 143,586.23/x
  3. Step 3: Cross multiply
    158,400.47x = 238,274.94 × 143,586.23
  4. Step 4: Simplify right side
    158,400.47x = 34,212,999,146.70
  5. Step 5: Solve for x
    x = 34,212,999,146.70/158,400.47
  6. Step 6: Final answer
    x = 215,990.52

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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.