Home / 125,891.96-173,754.20-72,177.35

Finding the Fourth Proportional to 125,891.96, 173,754.20 and 72,177.35

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Solution

The fourth proportional to 125,891.96, 173,754.20 and 72,177.35 is: 99,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,891.96 : 173,754.20 = 72,177.35 : x
  2. Step 2: Convert to fraction form
    125,891.96/173,754.20 = 72,177.35/x
  3. Step 3: Cross multiply
    125,891.96x = 173,754.20 × 72,177.35
  4. Step 4: Simplify right side
    125,891.96x = 12,541,117,346.48
  5. Step 5: Solve for x
    x = 12,541,117,346.48/125,891.96
  6. Step 6: Final answer
    x = 99,618.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.