Home / 154,332.74-231,512.99-42,013.55

Finding the Fourth Proportional to 154,332.74, 231,512.99 and 42,013.55

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Solution

The fourth proportional to 154,332.74, 231,512.99 and 42,013.55 is: 63,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,332.74 : 231,512.99 = 42,013.55 : x
  2. Step 2: Convert to fraction form
    154,332.74/231,512.99 = 42,013.55/x
  3. Step 3: Cross multiply
    154,332.74x = 231,512.99 × 42,013.55
  4. Step 4: Simplify right side
    154,332.74x = 9,726,682,949.73
  5. Step 5: Solve for x
    x = 9,726,682,949.73/154,332.74
  6. Step 6: Final answer
    x = 63,024.10

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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.