Home / 187,363.88-258,564.20-102,479.12

Finding the Fourth Proportional to 187,363.88, 258,564.20 and 102,479.12

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Solution

The fourth proportional to 187,363.88, 258,564.20 and 102,479.12 is: 141,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,363.88 : 258,564.20 = 102,479.12 : x
  2. Step 2: Convert to fraction form
    187,363.88/258,564.20 = 102,479.12/x
  3. Step 3: Cross multiply
    187,363.88x = 258,564.20 × 102,479.12
  4. Step 4: Simplify right side
    187,363.88x = 26,497,431,679.50
  5. Step 5: Solve for x
    x = 26,497,431,679.50/187,363.88
  6. Step 6: Final answer
    x = 141,422.30

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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.