Home / 132,965.10-198,979.50-83,068.74

Finding the Fourth Proportional to 132,965.10, 198,979.50 and 83,068.74

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Solution

The fourth proportional to 132,965.10, 198,979.50 and 83,068.74 is: 124,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,965.10 : 198,979.50 = 83,068.74 : x
  2. Step 2: Convert to fraction form
    132,965.10/198,979.50 = 83,068.74/x
  3. Step 3: Cross multiply
    132,965.10x = 198,979.50 × 83,068.74
  4. Step 4: Simplify right side
    132,965.10x = 16,528,976,350.83
  5. Step 5: Solve for x
    x = 16,528,976,350.83/132,965.10
  6. Step 6: Final answer
    x = 124,310.64

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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.