Home / 88,263.76-121,686.96-73,100.56

Finding the Fourth Proportional to 88,263.76, 121,686.96 and 73,100.56

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Solution

The fourth proportional to 88,263.76, 121,686.96 and 73,100.56 is: 100,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,263.76 : 121,686.96 = 73,100.56 : x
  2. Step 2: Convert to fraction form
    88,263.76/121,686.96 = 73,100.56/x
  3. Step 3: Cross multiply
    88,263.76x = 121,686.96 × 73,100.56
  4. Step 4: Simplify right side
    88,263.76x = 8,895,384,920.70
  5. Step 5: Solve for x
    x = 8,895,384,920.70/88,263.76
  6. Step 6: Final answer
    x = 100,781.85

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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.