Home / 126,320.34-174,321.90-69,731.58

Finding the Fourth Proportional to 126,320.34, 174,321.90 and 69,731.58

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Solution

The fourth proportional to 126,320.34, 174,321.90 and 69,731.58 is: 96,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,320.34 : 174,321.90 = 69,731.58 : x
  2. Step 2: Convert to fraction form
    126,320.34/174,321.90 = 69,731.58/x
  3. Step 3: Cross multiply
    126,320.34x = 174,321.90 × 69,731.58
  4. Step 4: Simplify right side
    126,320.34x = 12,155,741,515.60
  5. Step 5: Solve for x
    x = 12,155,741,515.60/126,320.34
  6. Step 6: Final answer
    x = 96,229.49

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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.