Home / 83,198.95-114,572.68-72,292.50

Finding the Fourth Proportional to 83,198.95, 114,572.68 and 72,292.50

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Solution

The fourth proportional to 83,198.95, 114,572.68 and 72,292.50 is: 99,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,198.95 : 114,572.68 = 72,292.50 : x
  2. Step 2: Convert to fraction form
    83,198.95/114,572.68 = 72,292.50/x
  3. Step 3: Cross multiply
    83,198.95x = 114,572.68 × 72,292.50
  4. Step 4: Simplify right side
    83,198.95x = 8,282,745,288.17
  5. Step 5: Solve for x
    x = 8,282,745,288.17/83,198.95
  6. Step 6: Final answer
    x = 99,553.49

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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.