Home / 187,655.40-281,818.98-172,635.84

Finding the Fourth Proportional to 187,655.40, 281,818.98 and 172,635.84

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Solution

The fourth proportional to 187,655.40, 281,818.98 and 172,635.84 is: 259,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,655.40 : 281,818.98 = 172,635.84 : x
  2. Step 2: Convert to fraction form
    187,655.40/281,818.98 = 172,635.84/x
  3. Step 3: Cross multiply
    187,655.40x = 281,818.98 × 172,635.84
  4. Step 4: Simplify right side
    187,655.40x = 48,652,056,340.24
  5. Step 5: Solve for x
    x = 48,652,056,340.24/187,655.40
  6. Step 6: Final answer
    x = 259,262.76

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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.