Home / 83,463.60-125,195.40-30,862.20

Finding the Fourth Proportional to 83,463.60, 125,195.40 and 30,862.20

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Solution

The fourth proportional to 83,463.60, 125,195.40 and 30,862.20 is: 46,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,463.60 : 125,195.40 = 30,862.20 : x
  2. Step 2: Convert to fraction form
    83,463.60/125,195.40 = 30,862.20/x
  3. Step 3: Cross multiply
    83,463.60x = 125,195.40 × 30,862.20
  4. Step 4: Simplify right side
    83,463.60x = 3,863,805,473.88
  5. Step 5: Solve for x
    x = 3,863,805,473.88/83,463.60
  6. Step 6: Final answer
    x = 46,293.30

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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.