Home / 83,132.26-124,698.39-20,802.76

Finding the Fourth Proportional to 83,132.26, 124,698.39 and 20,802.76

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Solution

The fourth proportional to 83,132.26, 124,698.39 and 20,802.76 is: 31,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,132.26 : 124,698.39 = 20,802.76 : x
  2. Step 2: Convert to fraction form
    83,132.26/124,698.39 = 20,802.76/x
  3. Step 3: Cross multiply
    83,132.26x = 124,698.39 × 20,802.76
  4. Step 4: Simplify right side
    83,132.26x = 2,594,070,679.56
  5. Step 5: Solve for x
    x = 2,594,070,679.56/83,132.26
  6. Step 6: Final answer
    x = 31,204.14

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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.