Home / 125,569.45-173,287.14-68,209.30

Finding the Fourth Proportional to 125,569.45, 173,287.14 and 68,209.30

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Solution

The fourth proportional to 125,569.45, 173,287.14 and 68,209.30 is: 94,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,569.45 : 173,287.14 = 68,209.30 : x
  2. Step 2: Convert to fraction form
    125,569.45/173,287.14 = 68,209.30/x
  3. Step 3: Cross multiply
    125,569.45x = 173,287.14 × 68,209.30
  4. Step 4: Simplify right side
    125,569.45x = 11,819,794,518.40
  5. Step 5: Solve for x
    x = 11,819,794,518.40/125,569.45
  6. Step 6: Final answer
    x = 94,129.54

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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.