Home / 151,102.92-208,537.31-86,580.71

Finding the Fourth Proportional to 151,102.92, 208,537.31 and 86,580.71

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Solution

The fourth proportional to 151,102.92, 208,537.31 and 86,580.71 is: 119,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,102.92 : 208,537.31 = 86,580.71 : x
  2. Step 2: Convert to fraction form
    151,102.92/208,537.31 = 86,580.71/x
  3. Step 3: Cross multiply
    151,102.92x = 208,537.31 × 86,580.71
  4. Step 4: Simplify right side
    151,102.92x = 18,055,308,449.73
  5. Step 5: Solve for x
    x = 18,055,308,449.73/151,102.92
  6. Step 6: Final answer
    x = 119,490.14

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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.