Home / 187,555.33-281,357.70-61,151.19

Finding the Fourth Proportional to 187,555.33, 281,357.70 and 61,151.19

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Solution

The fourth proportional to 187,555.33, 281,357.70 and 61,151.19 is: 91,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,555.33 : 281,357.70 = 61,151.19 : x
  2. Step 2: Convert to fraction form
    187,555.33/281,357.70 = 61,151.19/x
  3. Step 3: Cross multiply
    187,555.33x = 281,357.70 × 61,151.19
  4. Step 4: Simplify right side
    187,555.33x = 17,205,358,170.66
  5. Step 5: Solve for x
    x = 17,205,358,170.66/187,555.33
  6. Step 6: Final answer
    x = 91,734.84

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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.