Home / 187,275.11-258,376.34-106,645.46

Finding the Fourth Proportional to 187,275.11, 258,376.34 and 106,645.46

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Solution

The fourth proportional to 187,275.11, 258,376.34 and 106,645.46 is: 147,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,275.11 : 258,376.34 = 106,645.46 : x
  2. Step 2: Convert to fraction form
    187,275.11/258,376.34 = 106,645.46/x
  3. Step 3: Cross multiply
    187,275.11x = 258,376.34 × 106,645.46
  4. Step 4: Simplify right side
    187,275.11x = 27,554,662,340.53
  5. Step 5: Solve for x
    x = 27,554,662,340.53/187,275.11
  6. Step 6: Final answer
    x = 147,134.68

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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.