Home / 100,032.57-137,979.45-59,714.82

Finding the Fourth Proportional to 100,032.57, 137,979.45 and 59,714.82

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Solution

The fourth proportional to 100,032.57, 137,979.45 and 59,714.82 is: 82,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,032.57 : 137,979.45 = 59,714.82 : x
  2. Step 2: Convert to fraction form
    100,032.57/137,979.45 = 59,714.82/x
  3. Step 3: Cross multiply
    100,032.57x = 137,979.45 × 59,714.82
  4. Step 4: Simplify right side
    100,032.57x = 8,239,418,020.45
  5. Step 5: Solve for x
    x = 8,239,418,020.45/100,032.57
  6. Step 6: Final answer
    x = 82,367.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.