Home / 125,530.80-173,233.68-68,943.36

Finding the Fourth Proportional to 125,530.80, 173,233.68 and 68,943.36

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Solution

The fourth proportional to 125,530.80, 173,233.68 and 68,943.36 is: 95,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,530.80 : 173,233.68 = 68,943.36 : x
  2. Step 2: Convert to fraction form
    125,530.80/173,233.68 = 68,943.36/x
  3. Step 3: Cross multiply
    125,530.80x = 173,233.68 × 68,943.36
  4. Step 4: Simplify right side
    125,530.80x = 11,943,311,964.36
  5. Step 5: Solve for x
    x = 11,943,311,964.36/125,530.80
  6. Step 6: Final answer
    x = 95,142.48

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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.