Home / 177,123.79-265,501.15-77,257.17

Finding the Fourth Proportional to 177,123.79, 265,501.15 and 77,257.17

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Solution

The fourth proportional to 177,123.79, 265,501.15 and 77,257.17 is: 115,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,123.79 : 265,501.15 = 77,257.17 : x
  2. Step 2: Convert to fraction form
    177,123.79/265,501.15 = 77,257.17/x
  3. Step 3: Cross multiply
    177,123.79x = 265,501.15 × 77,257.17
  4. Step 4: Simplify right side
    177,123.79x = 20,511,867,480.75
  5. Step 5: Solve for x
    x = 20,511,867,480.75/177,123.79
  6. Step 6: Final answer
    x = 115,805.27

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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.