Home / 187,631.10-258,931.31-101,591.01

Finding the Fourth Proportional to 187,631.10, 258,931.31 and 101,591.01

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Solution

The fourth proportional to 187,631.10, 258,931.31 and 101,591.01 is: 140,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,631.10 : 258,931.31 = 101,591.01 : x
  2. Step 2: Convert to fraction form
    187,631.10/258,931.31 = 101,591.01/x
  3. Step 3: Cross multiply
    187,631.10x = 258,931.31 × 101,591.01
  4. Step 4: Simplify right side
    187,631.10x = 26,305,092,795.57
  5. Step 5: Solve for x
    x = 26,305,092,795.57/187,631.10
  6. Step 6: Final answer
    x = 140,195.80

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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.