Home / 187,579.87-258,836.12-107,002.59

Finding the Fourth Proportional to 187,579.87, 258,836.12 and 107,002.59

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Solution

The fourth proportional to 187,579.87, 258,836.12 and 107,002.59 is: 147,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,579.87 : 258,836.12 = 107,002.59 : x
  2. Step 2: Convert to fraction form
    187,579.87/258,836.12 = 107,002.59/x
  3. Step 3: Cross multiply
    187,579.87x = 258,836.12 × 107,002.59
  4. Step 4: Simplify right side
    187,579.87x = 27,696,135,091.80
  5. Step 5: Solve for x
    x = 27,696,135,091.80/187,579.87
  6. Step 6: Final answer
    x = 147,649.82

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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.