Home / 117,660.50-176,294.19-73,177.46

Finding the Fourth Proportional to 117,660.50, 176,294.19 and 73,177.46

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Solution

The fourth proportional to 117,660.50, 176,294.19 and 73,177.46 is: 109,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,660.50 : 176,294.19 = 73,177.46 : x
  2. Step 2: Convert to fraction form
    117,660.50/176,294.19 = 73,177.46/x
  3. Step 3: Cross multiply
    117,660.50x = 176,294.19 × 73,177.46
  4. Step 4: Simplify right side
    117,660.50x = 12,900,761,036.96
  5. Step 5: Solve for x
    x = 12,900,761,036.96/117,660.50
  6. Step 6: Final answer
    x = 109,643.94

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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.