Home / 135,024.42-202,489.71-75,144.27

Finding the Fourth Proportional to 135,024.42, 202,489.71 and 75,144.27

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Solution

The fourth proportional to 135,024.42, 202,489.71 and 75,144.27 is: 112,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,024.42 : 202,489.71 = 75,144.27 : x
  2. Step 2: Convert to fraction form
    135,024.42/202,489.71 = 75,144.27/x
  3. Step 3: Cross multiply
    135,024.42x = 202,489.71 × 75,144.27
  4. Step 4: Simplify right side
    135,024.42x = 15,215,941,440.46
  5. Step 5: Solve for x
    x = 15,215,941,440.46/135,024.42
  6. Step 6: Final answer
    x = 112,690.29

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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.