Home / 83,423.18-115,123.38-45,181.85

Finding the Fourth Proportional to 83,423.18, 115,123.38 and 45,181.85

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Solution

The fourth proportional to 83,423.18, 115,123.38 and 45,181.85 is: 62,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,423.18 : 115,123.38 = 45,181.85 : x
  2. Step 2: Convert to fraction form
    83,423.18/115,123.38 = 45,181.85/x
  3. Step 3: Cross multiply
    83,423.18x = 115,123.38 × 45,181.85
  4. Step 4: Simplify right side
    83,423.18x = 5,201,486,711.04
  5. Step 5: Solve for x
    x = 5,201,486,711.04/83,423.18
  6. Step 6: Final answer
    x = 62,350.62

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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.