Home / 102,666.30-153,999.45-96,963.90

Finding the Fourth Proportional to 102,666.30, 153,999.45 and 96,963.90

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Solution

The fourth proportional to 102,666.30, 153,999.45 and 96,963.90 is: 145,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,666.30 : 153,999.45 = 96,963.90 : x
  2. Step 2: Convert to fraction form
    102,666.30/153,999.45 = 96,963.90/x
  3. Step 3: Cross multiply
    102,666.30x = 153,999.45 × 96,963.90
  4. Step 4: Simplify right side
    102,666.30x = 14,932,387,269.86
  5. Step 5: Solve for x
    x = 14,932,387,269.86/102,666.30
  6. Step 6: Final answer
    x = 145,445.85

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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.