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Finding the Fourth Proportional to 132,506.80, 198,761.39 and 37,736.91

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Solution

The fourth proportional to 132,506.80, 198,761.39 and 37,736.91 is: 56,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,506.80 : 198,761.39 = 37,736.91 : x
  2. Step 2: Convert to fraction form
    132,506.80/198,761.39 = 37,736.91/x
  3. Step 3: Cross multiply
    132,506.80x = 198,761.39 × 37,736.91
  4. Step 4: Simplify right side
    132,506.80x = 7,500,639,503.41
  5. Step 5: Solve for x
    x = 7,500,639,503.41/132,506.80
  6. Step 6: Final answer
    x = 56,605.69

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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.