Home / 125,959.28-173,818.20-72,205.76

Finding the Fourth Proportional to 125,959.28, 173,818.20 and 72,205.76

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Solution

The fourth proportional to 125,959.28, 173,818.20 and 72,205.76 is: 99,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,959.28 : 173,818.20 = 72,205.76 : x
  2. Step 2: Convert to fraction form
    125,959.28/173,818.20 = 72,205.76/x
  3. Step 3: Cross multiply
    125,959.28x = 173,818.20 × 72,205.76
  4. Step 4: Simplify right side
    125,959.28x = 12,550,675,232.83
  5. Step 5: Solve for x
    x = 12,550,675,232.83/125,959.28
  6. Step 6: Final answer
    x = 99,640.73

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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.