Home / 126,445.30-174,489.35-69,086.61

Finding the Fourth Proportional to 126,445.30, 174,489.35 and 69,086.61

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Solution

The fourth proportional to 126,445.30, 174,489.35 and 69,086.61 is: 95,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,445.30 : 174,489.35 = 69,086.61 : x
  2. Step 2: Convert to fraction form
    126,445.30/174,489.35 = 69,086.61/x
  3. Step 3: Cross multiply
    126,445.30x = 174,489.35 × 69,086.61
  4. Step 4: Simplify right side
    126,445.30x = 12,054,877,672.60
  5. Step 5: Solve for x
    x = 12,054,877,672.60/126,445.30
  6. Step 6: Final answer
    x = 95,336.70

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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.