Home / 136,070.46-187,711.83-88,338.78

Finding the Fourth Proportional to 136,070.46, 187,711.83 and 88,338.78

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Solution

The fourth proportional to 136,070.46, 187,711.83 and 88,338.78 is: 121,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,070.46 : 187,711.83 = 88,338.78 : x
  2. Step 2: Convert to fraction form
    136,070.46/187,711.83 = 88,338.78/x
  3. Step 3: Cross multiply
    136,070.46x = 187,711.83 × 88,338.78
  4. Step 4: Simplify right side
    136,070.46x = 16,582,234,053.77
  5. Step 5: Solve for x
    x = 16,582,234,053.77/136,070.46
  6. Step 6: Final answer
    x = 121,865.05

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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.