Home / 84,260.32-126,355.41-34,306.54

Finding the Fourth Proportional to 84,260.32, 126,355.41 and 34,306.54

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Solution

The fourth proportional to 84,260.32, 126,355.41 and 34,306.54 is: 51,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,260.32 : 126,355.41 = 34,306.54 : x
  2. Step 2: Convert to fraction form
    84,260.32/126,355.41 = 34,306.54/x
  3. Step 3: Cross multiply
    84,260.32x = 126,355.41 × 34,306.54
  4. Step 4: Simplify right side
    84,260.32x = 4,334,816,611.49
  5. Step 5: Solve for x
    x = 4,334,816,611.49/84,260.32
  6. Step 6: Final answer
    x = 51,445.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.