Home / 125,519.61-173,218.19-68,931.39

Finding the Fourth Proportional to 125,519.61, 173,218.19 and 68,931.39

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Solution

The fourth proportional to 125,519.61, 173,218.19 and 68,931.39 is: 95,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,519.61 : 173,218.19 = 68,931.39 : x
  2. Step 2: Convert to fraction form
    125,519.61/173,218.19 = 68,931.39/x
  3. Step 3: Cross multiply
    125,519.61x = 173,218.19 × 68,931.39
  4. Step 4: Simplify right side
    125,519.61x = 11,940,170,609.98
  5. Step 5: Solve for x
    x = 11,940,170,609.98/125,519.61
  6. Step 6: Final answer
    x = 95,125.94

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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.