Home / 151,947.67-209,677-83,963.90

Finding the Fourth Proportional to 151,947.67, 209,677 and 83,963.90

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Solution

The fourth proportional to 151,947.67, 209,677 and 83,963.90 is: 115,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,947.67 : 209,677 = 83,963.90 : x
  2. Step 2: Convert to fraction form
    151,947.67/209,677 = 83,963.90/x
  3. Step 3: Cross multiply
    151,947.67x = 209,677 × 83,963.90
  4. Step 4: Simplify right side
    151,947.67x = 17,605,298,660.30
  5. Step 5: Solve for x
    x = 17,605,298,660.30/151,947.67
  6. Step 6: Final answer
    x = 115,864.22

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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.