Home / 177,836.31-266,754.74-72,655.38

Finding the Fourth Proportional to 177,836.31, 266,754.74 and 72,655.38

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Solution

The fourth proportional to 177,836.31, 266,754.74 and 72,655.38 is: 108,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,836.31 : 266,754.74 = 72,655.38 : x
  2. Step 2: Convert to fraction form
    177,836.31/266,754.74 = 72,655.38/x
  3. Step 3: Cross multiply
    177,836.31x = 266,754.74 × 72,655.38
  4. Step 4: Simplify right side
    177,836.31x = 19,381,166,638.22
  5. Step 5: Solve for x
    x = 19,381,166,638.22/177,836.31
  6. Step 6: Final answer
    x = 108,983.18

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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.