Home / 155,990.05-234,010.95-54,761.86

Finding the Fourth Proportional to 155,990.05, 234,010.95 and 54,761.86

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Solution

The fourth proportional to 155,990.05, 234,010.95 and 54,761.86 is: 82,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,990.05 : 234,010.95 = 54,761.86 : x
  2. Step 2: Convert to fraction form
    155,990.05/234,010.95 = 54,761.86/x
  3. Step 3: Cross multiply
    155,990.05x = 234,010.95 × 54,761.86
  4. Step 4: Simplify right side
    155,990.05x = 12,814,874,882.37
  5. Step 5: Solve for x
    x = 12,814,874,882.37/155,990.05
  6. Step 6: Final answer
    x = 82,151.87

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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.