Home / 187,265.10-280,897.65-108,338.70

Finding the Fourth Proportional to 187,265.10, 280,897.65 and 108,338.70

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Solution

The fourth proportional to 187,265.10, 280,897.65 and 108,338.70 is: 162,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,265.10 : 280,897.65 = 108,338.70 : x
  2. Step 2: Convert to fraction form
    187,265.10/280,897.65 = 108,338.70/x
  3. Step 3: Cross multiply
    187,265.10x = 280,897.65 × 108,338.70
  4. Step 4: Simplify right side
    187,265.10x = 30,432,086,234.06
  5. Step 5: Solve for x
    x = 30,432,086,234.06/187,265.10
  6. Step 6: Final answer
    x = 162,508.05

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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.