Home / 125,609.09-173,348.30-71,892.95

Finding the Fourth Proportional to 125,609.09, 173,348.30 and 71,892.95

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Solution

The fourth proportional to 125,609.09, 173,348.30 and 71,892.95 is: 99,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,609.09 : 173,348.30 = 71,892.95 : x
  2. Step 2: Convert to fraction form
    125,609.09/173,348.30 = 71,892.95/x
  3. Step 3: Cross multiply
    125,609.09x = 173,348.30 × 71,892.95
  4. Step 4: Simplify right side
    125,609.09x = 12,462,520,738.39
  5. Step 5: Solve for x
    x = 12,462,520,738.39/125,609.09
  6. Step 6: Final answer
    x = 99,216.71

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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.