Home / 125,718.06-173,493.90-69,129.39

Finding the Fourth Proportional to 125,718.06, 173,493.90 and 69,129.39

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Solution

The fourth proportional to 125,718.06, 173,493.90 and 69,129.39 is: 95,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,718.06 : 173,493.90 = 69,129.39 : x
  2. Step 2: Convert to fraction form
    125,718.06/173,493.90 = 69,129.39/x
  3. Step 3: Cross multiply
    125,718.06x = 173,493.90 × 69,129.39
  4. Step 4: Simplify right side
    125,718.06x = 11,993,527,475.72
  5. Step 5: Solve for x
    x = 11,993,527,475.72/125,718.06
  6. Step 6: Final answer
    x = 95,400.20

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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.