Home / 187,639.12-258,942.36-101,599

Finding the Fourth Proportional to 187,639.12, 258,942.36 and 101,599

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Solution

The fourth proportional to 187,639.12, 258,942.36 and 101,599 is: 140,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,639.12 : 258,942.36 = 101,599 : x
  2. Step 2: Convert to fraction form
    187,639.12/258,942.36 = 101,599/x
  3. Step 3: Cross multiply
    187,639.12x = 258,942.36 × 101,599
  4. Step 4: Simplify right side
    187,639.12x = 26,308,284,833.64
  5. Step 5: Solve for x
    x = 26,308,284,833.64/187,639.12
  6. Step 6: Final answer
    x = 140,206.82

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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.