Home / 125,635.11-173,388.65-71,927.79

Finding the Fourth Proportional to 125,635.11, 173,388.65 and 71,927.79

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Solution

The fourth proportional to 125,635.11, 173,388.65 and 71,927.79 is: 99,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,635.11 : 173,388.65 = 71,927.79 : x
  2. Step 2: Convert to fraction form
    125,635.11/173,388.65 = 71,927.79/x
  3. Step 3: Cross multiply
    125,635.11x = 173,388.65 × 71,927.79
  4. Step 4: Simplify right side
    125,635.11x = 12,471,462,045.94
  5. Step 5: Solve for x
    x = 12,471,462,045.94/125,635.11
  6. Step 6: Final answer
    x = 99,267.33

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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.