Home / 118,232.70-177,057.45-78,575.10

Finding the Fourth Proportional to 118,232.70, 177,057.45 and 78,575.10

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Solution

The fourth proportional to 118,232.70, 177,057.45 and 78,575.10 is: 117,668.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,232.70 : 177,057.45 = 78,575.10 : x
  2. Step 2: Convert to fraction form
    118,232.70/177,057.45 = 78,575.10/x
  3. Step 3: Cross multiply
    118,232.70x = 177,057.45 × 78,575.10
  4. Step 4: Simplify right side
    118,232.70x = 13,912,306,839.50
  5. Step 5: Solve for x
    x = 13,912,306,839.50/118,232.70
  6. Step 6: Final answer
    x = 117,668.86

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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.