Home / 125,719.88-173,498.10-75,409.16

Finding the Fourth Proportional to 125,719.88, 173,498.10 and 75,409.16

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Solution

The fourth proportional to 125,719.88, 173,498.10 and 75,409.16 is: 104,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,719.88 : 173,498.10 = 75,409.16 : x
  2. Step 2: Convert to fraction form
    125,719.88/173,498.10 = 75,409.16/x
  3. Step 3: Cross multiply
    125,719.88x = 173,498.10 × 75,409.16
  4. Step 4: Simplify right side
    125,719.88x = 13,083,345,982.60
  5. Step 5: Solve for x
    x = 13,083,345,982.60/125,719.88
  6. Step 6: Final answer
    x = 104,067.44

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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.