Home / 187,521.64-281,253.89-61,161.70

Finding the Fourth Proportional to 187,521.64, 281,253.89 and 61,161.70

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Solution

The fourth proportional to 187,521.64, 281,253.89 and 61,161.70 is: 91,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,521.64 : 281,253.89 = 61,161.70 : x
  2. Step 2: Convert to fraction form
    187,521.64/281,253.89 = 61,161.70/x
  3. Step 3: Cross multiply
    187,521.64x = 281,253.89 × 61,161.70
  4. Step 4: Simplify right side
    187,521.64x = 17,201,965,493.78
  5. Step 5: Solve for x
    x = 17,201,965,493.78/187,521.64
  6. Step 6: Final answer
    x = 91,733.23

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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.