Home / 133,145.10-199,717.65-112,149.90

Finding the Fourth Proportional to 133,145.10, 199,717.65 and 112,149.90

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Solution

The fourth proportional to 133,145.10, 199,717.65 and 112,149.90 is: 168,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,145.10 : 199,717.65 = 112,149.90 : x
  2. Step 2: Convert to fraction form
    133,145.10/199,717.65 = 112,149.90/x
  3. Step 3: Cross multiply
    133,145.10x = 199,717.65 × 112,149.90
  4. Step 4: Simplify right side
    133,145.10x = 22,398,314,475.74
  5. Step 5: Solve for x
    x = 22,398,314,475.74/133,145.10
  6. Step 6: Final answer
    x = 168,224.85

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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.