Home / 125,397.20-173,046.78-68,808.56

Finding the Fourth Proportional to 125,397.20, 173,046.78 and 68,808.56

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Solution

The fourth proportional to 125,397.20, 173,046.78 and 68,808.56 is: 94,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,397.20 : 173,046.78 = 68,808.56 : x
  2. Step 2: Convert to fraction form
    125,397.20/173,046.78 = 68,808.56/x
  3. Step 3: Cross multiply
    125,397.20x = 173,046.78 × 68,808.56
  4. Step 4: Simplify right side
    125,397.20x = 11,907,099,744.44
  5. Step 5: Solve for x
    x = 11,907,099,744.44/125,397.20
  6. Step 6: Final answer
    x = 94,955.07

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1.5x scale

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.