Home / 83,423.62-125,134.38-20,244.28

Finding the Fourth Proportional to 83,423.62, 125,134.38 and 20,244.28

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Solution

The fourth proportional to 83,423.62, 125,134.38 and 20,244.28 is: 30,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,423.62 : 125,134.38 = 20,244.28 : x
  2. Step 2: Convert to fraction form
    83,423.62/125,134.38 = 20,244.28/x
  3. Step 3: Cross multiply
    83,423.62x = 125,134.38 × 20,244.28
  4. Step 4: Simplify right side
    83,423.62x = 2,533,254,800.67
  5. Step 5: Solve for x
    x = 2,533,254,800.67/83,423.62
  6. Step 6: Final answer
    x = 30,366.16

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1.5x scale

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.