Home / 125,528.80-173,230.92-68,941.36

Finding the Fourth Proportional to 125,528.80, 173,230.92 and 68,941.36

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Solution

The fourth proportional to 125,528.80, 173,230.92 and 68,941.36 is: 95,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,528.80 : 173,230.92 = 68,941.36 : x
  2. Step 2: Convert to fraction form
    125,528.80/173,230.92 = 68,941.36/x
  3. Step 3: Cross multiply
    125,528.80x = 173,230.92 × 68,941.36
  4. Step 4: Simplify right side
    125,528.80x = 11,942,775,218.85
  5. Step 5: Solve for x
    x = 11,942,775,218.85/125,528.80
  6. Step 6: Final answer
    x = 95,139.72

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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.