Home / 83,419.88-125,254.76-72,210.02

Finding the Fourth Proportional to 83,419.88, 125,254.76 and 72,210.02

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Solution

The fourth proportional to 83,419.88, 125,254.76 and 72,210.02 is: 108,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,419.88 : 125,254.76 = 72,210.02 : x
  2. Step 2: Convert to fraction form
    83,419.88/125,254.76 = 72,210.02/x
  3. Step 3: Cross multiply
    83,419.88x = 125,254.76 × 72,210.02
  4. Step 4: Simplify right side
    83,419.88x = 9,044,647,737.37
  5. Step 5: Solve for x
    x = 9,044,647,737.37/83,419.88
  6. Step 6: Final answer
    x = 108,423.18

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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.