Home / 83,394.90-125,158.10-30,819.42

Finding the Fourth Proportional to 83,394.90, 125,158.10 and 30,819.42

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Solution

The fourth proportional to 83,394.90, 125,158.10 and 30,819.42 is: 46,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,394.90 : 125,158.10 = 30,819.42 : x
  2. Step 2: Convert to fraction form
    83,394.90/125,158.10 = 30,819.42/x
  3. Step 3: Cross multiply
    83,394.90x = 125,158.10 × 30,819.42
  4. Step 4: Simplify right side
    83,394.90x = 3,857,299,896.20
  5. Step 5: Solve for x
    x = 3,857,299,896.20/83,394.90
  6. Step 6: Final answer
    x = 46,253.43

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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.