Home / 144,181.76-198,937.08-83,715.95

Finding the Fourth Proportional to 144,181.76, 198,937.08 and 83,715.95

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Solution

The fourth proportional to 144,181.76, 198,937.08 and 83,715.95 is: 115,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,181.76 : 198,937.08 = 83,715.95 : x
  2. Step 2: Convert to fraction form
    144,181.76/198,937.08 = 83,715.95/x
  3. Step 3: Cross multiply
    144,181.76x = 198,937.08 × 83,715.95
  4. Step 4: Simplify right side
    144,181.76x = 16,654,207,139.77
  5. Step 5: Solve for x
    x = 16,654,207,139.77/144,181.76
  6. Step 6: Final answer
    x = 115,508.42

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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.