Home / 125,703.78-173,471.46-69,115.18

Finding the Fourth Proportional to 125,703.78, 173,471.46 and 69,115.18

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Solution

The fourth proportional to 125,703.78, 173,471.46 and 69,115.18 is: 95,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,703.78 : 173,471.46 = 69,115.18 : x
  2. Step 2: Convert to fraction form
    125,703.78/173,471.46 = 69,115.18/x
  3. Step 3: Cross multiply
    125,703.78x = 173,471.46 × 69,115.18
  4. Step 4: Simplify right side
    125,703.78x = 11,989,511,182.76
  5. Step 5: Solve for x
    x = 11,989,511,182.76/125,703.78
  6. Step 6: Final answer
    x = 95,379.08

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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.