Home / 151,947.56-209,687.11-83,962.64

Finding the Fourth Proportional to 151,947.56, 209,687.11 and 83,962.64

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Solution

The fourth proportional to 151,947.56, 209,687.11 and 83,962.64 is: 115,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,947.56 : 209,687.11 = 83,962.64 : x
  2. Step 2: Convert to fraction form
    151,947.56/209,687.11 = 83,962.64/x
  3. Step 3: Cross multiply
    151,947.56x = 209,687.11 × 83,962.64
  4. Step 4: Simplify right side
    151,947.56x = 17,605,882,071.23
  5. Step 5: Solve for x
    x = 17,605,882,071.23/151,947.56
  6. Step 6: Final answer
    x = 115,868.15

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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.