Home / 151,287.14-208,774.54-83,302.70

Finding the Fourth Proportional to 151,287.14, 208,774.54 and 83,302.70

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Solution

The fourth proportional to 151,287.14, 208,774.54 and 83,302.70 is: 114,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,287.14 : 208,774.54 = 83,302.70 : x
  2. Step 2: Convert to fraction form
    151,287.14/208,774.54 = 83,302.70/x
  3. Step 3: Cross multiply
    151,287.14x = 208,774.54 × 83,302.70
  4. Step 4: Simplify right side
    151,287.14x = 17,391,482,873.26
  5. Step 5: Solve for x
    x = 17,391,482,873.26/151,287.14
  6. Step 6: Final answer
    x = 114,956.78

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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.