Home / 89,721.90-134,410.38-50,159.04

Finding the Fourth Proportional to 89,721.90, 134,410.38 and 50,159.04

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Solution

The fourth proportional to 89,721.90, 134,410.38 and 50,159.04 is: 75,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,721.90 : 134,410.38 = 50,159.04 : x
  2. Step 2: Convert to fraction form
    89,721.90/134,410.38 = 50,159.04/x
  3. Step 3: Cross multiply
    89,721.90x = 134,410.38 × 50,159.04
  4. Step 4: Simplify right side
    89,721.90x = 6,741,895,626.84
  5. Step 5: Solve for x
    x = 6,741,895,626.84/89,721.90
  6. Step 6: Final answer
    x = 75,142.14

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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.