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Finding the Fourth Proportional to 187,073.88, 258,168.90 and 102,191.52

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Solution

The fourth proportional to 187,073.88, 258,168.90 and 102,191.52 is: 141,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,073.88 : 258,168.90 = 102,191.52 : x
  2. Step 2: Convert to fraction form
    187,073.88/258,168.90 = 102,191.52/x
  3. Step 3: Cross multiply
    187,073.88x = 258,168.90 × 102,191.52
  4. Step 4: Simplify right side
    187,073.88x = 26,382,672,307.73
  5. Step 5: Solve for x
    x = 26,382,672,307.73/187,073.88
  6. Step 6: Final answer
    x = 141,028.09

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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.