Home / 177,931.32-266,897.14-72,750.28

Finding the Fourth Proportional to 177,931.32, 266,897.14 and 72,750.28

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Solution

The fourth proportional to 177,931.32, 266,897.14 and 72,750.28 is: 109,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,931.32 : 266,897.14 = 72,750.28 : x
  2. Step 2: Convert to fraction form
    177,931.32/266,897.14 = 72,750.28/x
  3. Step 3: Cross multiply
    177,931.32x = 266,897.14 × 72,750.28
  4. Step 4: Simplify right side
    177,931.32x = 19,416,841,666.20
  5. Step 5: Solve for x
    x = 19,416,841,666.20/177,931.32
  6. Step 6: Final answer
    x = 109,125.49

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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.