Home / 239,332.75-330,278.10-131,902.55

Finding the Fourth Proportional to 239,332.75, 330,278.10 and 131,902.55

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Solution

The fourth proportional to 239,332.75, 330,278.10 and 131,902.55 is: 182,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,332.75 : 330,278.10 = 131,902.55 : x
  2. Step 2: Convert to fraction form
    239,332.75/330,278.10 = 131,902.55/x
  3. Step 3: Cross multiply
    239,332.75x = 330,278.10 × 131,902.55
  4. Step 4: Simplify right side
    239,332.75x = 43,564,523,599.16
  5. Step 5: Solve for x
    x = 43,564,523,599.16/239,332.75
  6. Step 6: Final answer
    x = 182,024.92

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1.5x scale

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.