Home / 237,144.64-327,252.80-129,712.28

Finding the Fourth Proportional to 237,144.64, 327,252.80 and 129,712.28

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Solution

The fourth proportional to 237,144.64, 327,252.80 and 129,712.28 is: 178,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,144.64 : 327,252.80 = 129,712.28 : x
  2. Step 2: Convert to fraction form
    237,144.64/327,252.80 = 129,712.28/x
  3. Step 3: Cross multiply
    237,144.64x = 327,252.80 × 129,712.28
  4. Step 4: Simplify right side
    237,144.64x = 42,448,706,824.38
  5. Step 5: Solve for x
    x = 42,448,706,824.38/237,144.64
  6. Step 6: Final answer
    x = 178,999.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.