Home / 125,585.74-173,308.82-71,871.65

Finding the Fourth Proportional to 125,585.74, 173,308.82 and 71,871.65

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Solution

The fourth proportional to 125,585.74, 173,308.82 and 71,871.65 is: 99,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,585.74 : 173,308.82 = 71,871.65 : x
  2. Step 2: Convert to fraction form
    125,585.74/173,308.82 = 71,871.65/x
  3. Step 3: Cross multiply
    125,585.74x = 173,308.82 × 71,871.65
  4. Step 4: Simplify right side
    125,585.74x = 12,455,991,251.82
  5. Step 5: Solve for x
    x = 12,455,991,251.82/125,585.74
  6. Step 6: Final answer
    x = 99,183.16

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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.