Home / 151,288.92-208,774.14-83,306.04

Finding the Fourth Proportional to 151,288.92, 208,774.14 and 83,306.04

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Solution

The fourth proportional to 151,288.92, 208,774.14 and 83,306.04 is: 114,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,288.92 : 208,774.14 = 83,306.04 : x
  2. Step 2: Convert to fraction form
    151,288.92/208,774.14 = 83,306.04/x
  3. Step 3: Cross multiply
    151,288.92x = 208,774.14 × 83,306.04
  4. Step 4: Simplify right side
    151,288.92x = 17,392,146,857.81
  5. Step 5: Solve for x
    x = 17,392,146,857.81/151,288.92
  6. Step 6: Final answer
    x = 114,959.82

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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.