Home / 129,834.16-179,179.50-73,244.32

Finding the Fourth Proportional to 129,834.16, 179,179.50 and 73,244.32

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Solution

The fourth proportional to 129,834.16, 179,179.50 and 73,244.32 is: 101,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,834.16 : 179,179.50 = 73,244.32 : x
  2. Step 2: Convert to fraction form
    129,834.16/179,179.50 = 73,244.32/x
  3. Step 3: Cross multiply
    129,834.16x = 179,179.50 × 73,244.32
  4. Step 4: Simplify right side
    129,834.16x = 13,123,880,635.44
  5. Step 5: Solve for x
    x = 13,123,880,635.44/129,834.16
  6. Step 6: Final answer
    x = 101,081.88

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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.