Home / 125,719.47-173,494.13-69,131.25

Finding the Fourth Proportional to 125,719.47, 173,494.13 and 69,131.25

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Solution

The fourth proportional to 125,719.47, 173,494.13 and 69,131.25 is: 95,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,719.47 : 173,494.13 = 69,131.25 : x
  2. Step 2: Convert to fraction form
    125,719.47/173,494.13 = 69,131.25/x
  3. Step 3: Cross multiply
    125,719.47x = 173,494.13 × 69,131.25
  4. Step 4: Simplify right side
    125,719.47x = 11,993,865,728.91
  5. Step 5: Solve for x
    x = 11,993,865,728.91/125,719.47
  6. Step 6: Final answer
    x = 95,401.82

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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.