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Finding the Fourth Proportional to 96,200.90, 144,301.35 and 78,704.90

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Solution

The fourth proportional to 96,200.90, 144,301.35 and 78,704.90 is: 118,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,200.90 : 144,301.35 = 78,704.90 : x
  2. Step 2: Convert to fraction form
    96,200.90/144,301.35 = 78,704.90/x
  3. Step 3: Cross multiply
    96,200.90x = 144,301.35 × 78,704.90
  4. Step 4: Simplify right side
    96,200.90x = 11,357,223,321.62
  5. Step 5: Solve for x
    x = 11,357,223,321.62/96,200.90
  6. Step 6: Final answer
    x = 118,057.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.