Home / 177,851.38-266,777.52-72,670.34

Finding the Fourth Proportional to 177,851.38, 266,777.52 and 72,670.34

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Solution

The fourth proportional to 177,851.38, 266,777.52 and 72,670.34 is: 109,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,851.38 : 266,777.52 = 72,670.34 : x
  2. Step 2: Convert to fraction form
    177,851.38/266,777.52 = 72,670.34/x
  3. Step 3: Cross multiply
    177,851.38x = 266,777.52 × 72,670.34
  4. Step 4: Simplify right side
    177,851.38x = 19,386,813,568.02
  5. Step 5: Solve for x
    x = 19,386,813,568.02/177,851.38
  6. Step 6: Final answer
    x = 109,005.70

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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.