Home / 187,401.48-258,611.88-102,517.50

Finding the Fourth Proportional to 187,401.48, 258,611.88 and 102,517.50

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Solution

The fourth proportional to 187,401.48, 258,611.88 and 102,517.50 is: 141,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,401.48 : 258,611.88 = 102,517.50 : x
  2. Step 2: Convert to fraction form
    187,401.48/258,611.88 = 102,517.50/x
  3. Step 3: Cross multiply
    187,401.48x = 258,611.88 × 102,517.50
  4. Step 4: Simplify right side
    187,401.48x = 26,512,243,407.90
  5. Step 5: Solve for x
    x = 26,512,243,407.90/187,401.48
  6. Step 6: Final answer
    x = 141,472.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.