Home / 187,581.15-281,394.86-61,187.58

Finding the Fourth Proportional to 187,581.15, 281,394.86 and 61,187.58

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Solution

The fourth proportional to 187,581.15, 281,394.86 and 61,187.58 is: 91,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,581.15 : 281,394.86 = 61,187.58 : x
  2. Step 2: Convert to fraction form
    187,581.15/281,394.86 = 61,187.58/x
  3. Step 3: Cross multiply
    187,581.15x = 281,394.86 × 61,187.58
  4. Step 4: Simplify right side
    187,581.15x = 17,217,870,201.90
  5. Step 5: Solve for x
    x = 17,217,870,201.90/187,581.15
  6. Step 6: Final answer
    x = 91,788.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.