Home / 187,701.30-281,493.13-61,312.75

Finding the Fourth Proportional to 187,701.30, 281,493.13 and 61,312.75

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Solution

The fourth proportional to 187,701.30, 281,493.13 and 61,312.75 is: 91,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,701.30 : 281,493.13 = 61,312.75 : x
  2. Step 2: Convert to fraction form
    187,701.30/281,493.13 = 61,312.75/x
  3. Step 3: Cross multiply
    187,701.30x = 281,493.13 × 61,312.75
  4. Step 4: Simplify right side
    187,701.30x = 17,259,118,104.99
  5. Step 5: Solve for x
    x = 17,259,118,104.99/187,701.30
  6. Step 6: Final answer
    x = 91,949.91

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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.