Home / 134,432.70-202,086.45-115,187.10

Finding the Fourth Proportional to 134,432.70, 202,086.45 and 115,187.10

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Solution

The fourth proportional to 134,432.70, 202,086.45 and 115,187.10 is: 173,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,432.70 : 202,086.45 = 115,187.10 : x
  2. Step 2: Convert to fraction form
    134,432.70/202,086.45 = 115,187.10/x
  3. Step 3: Cross multiply
    134,432.70x = 202,086.45 × 115,187.10
  4. Step 4: Simplify right side
    134,432.70x = 23,277,752,124.80
  5. Step 5: Solve for x
    x = 23,277,752,124.80/134,432.70
  6. Step 6: Final answer
    x = 173,155.43

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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.