Home / 95,146.50-142,714.26-28,585.20

Finding the Fourth Proportional to 95,146.50, 142,714.26 and 28,585.20

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Solution

The fourth proportional to 95,146.50, 142,714.26 and 28,585.20 is: 42,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,146.50 : 142,714.26 = 28,585.20 : x
  2. Step 2: Convert to fraction form
    95,146.50/142,714.26 = 28,585.20/x
  3. Step 3: Cross multiply
    95,146.50x = 142,714.26 × 28,585.20
  4. Step 4: Simplify right side
    95,146.50x = 4,079,515,664.95
  5. Step 5: Solve for x
    x = 4,079,515,664.95/95,146.50
  6. Step 6: Final answer
    x = 42,876.15

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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.