Home / 83,444.28-125,166.68-21,114.76

Finding the Fourth Proportional to 83,444.28, 125,166.68 and 21,114.76

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Solution

The fourth proportional to 83,444.28, 125,166.68 and 21,114.76 is: 31,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,444.28 : 125,166.68 = 21,114.76 : x
  2. Step 2: Convert to fraction form
    83,444.28/125,166.68 = 21,114.76/x
  3. Step 3: Cross multiply
    83,444.28x = 125,166.68 × 21,114.76
  4. Step 4: Simplify right side
    83,444.28x = 2,642,864,408.20
  5. Step 5: Solve for x
    x = 2,642,864,408.20/83,444.28
  6. Step 6: Final answer
    x = 31,672.21

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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.