Home / 83,432.04-115,135.62-45,190.73

Finding the Fourth Proportional to 83,432.04, 115,135.62 and 45,190.73

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Solution

The fourth proportional to 83,432.04, 115,135.62 and 45,190.73 is: 62,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,432.04 : 115,135.62 = 45,190.73 : x
  2. Step 2: Convert to fraction form
    83,432.04/115,135.62 = 45,190.73/x
  3. Step 3: Cross multiply
    83,432.04x = 115,135.62 × 45,190.73
  4. Step 4: Simplify right side
    83,432.04x = 5,203,062,141.12
  5. Step 5: Solve for x
    x = 5,203,062,141.12/83,432.04
  6. Step 6: Final answer
    x = 62,362.88

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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.