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Finding the Fourth Proportional to 96,101.18, 143,950.90 and 77,279.42

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Solution

The fourth proportional to 96,101.18, 143,950.90 and 77,279.42 is: 115,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,101.18 : 143,950.90 = 77,279.42 : x
  2. Step 2: Convert to fraction form
    96,101.18/143,950.90 = 77,279.42/x
  3. Step 3: Cross multiply
    96,101.18x = 143,950.90 × 77,279.42
  4. Step 4: Simplify right side
    96,101.18x = 11,124,442,060.48
  5. Step 5: Solve for x
    x = 11,124,442,060.48/96,101.18
  6. Step 6: Final answer
    x = 115,757.60

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1.5x scale

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.