Home / 177,787.38-266,681.34-72,606.36

Finding the Fourth Proportional to 177,787.38, 266,681.34 and 72,606.36

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Solution

The fourth proportional to 177,787.38, 266,681.34 and 72,606.36 is: 108,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,787.38 : 266,681.34 = 72,606.36 : x
  2. Step 2: Convert to fraction form
    177,787.38/266,681.34 = 72,606.36/x
  3. Step 3: Cross multiply
    177,787.38x = 266,681.34 × 72,606.36
  4. Step 4: Simplify right side
    177,787.38x = 19,362,761,377.32
  5. Step 5: Solve for x
    x = 19,362,761,377.32/177,787.38
  6. Step 6: Final answer
    x = 108,909.65

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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.