Home / 125,919.72-173,730.18-71,463

Finding the Fourth Proportional to 125,919.72, 173,730.18 and 71,463

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Solution

The fourth proportional to 125,919.72, 173,730.18 and 71,463 is: 98,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,919.72 : 173,730.18 = 71,463 : x
  2. Step 2: Convert to fraction form
    125,919.72/173,730.18 = 71,463/x
  3. Step 3: Cross multiply
    125,919.72x = 173,730.18 × 71,463
  4. Step 4: Simplify right side
    125,919.72x = 12,415,279,853.34
  5. Step 5: Solve for x
    x = 12,415,279,853.34/125,919.72
  6. Step 6: Final answer
    x = 98,596.79

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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.