Home / 126,342.72-174,355.20-69,750.72

Finding the Fourth Proportional to 126,342.72, 174,355.20 and 69,750.72

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Solution

The fourth proportional to 126,342.72, 174,355.20 and 69,750.72 is: 96,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,342.72 : 174,355.20 = 69,750.72 : x
  2. Step 2: Convert to fraction form
    126,342.72/174,355.20 = 69,750.72/x
  3. Step 3: Cross multiply
    126,342.72x = 174,355.20 × 69,750.72
  4. Step 4: Simplify right side
    126,342.72x = 12,161,400,735.74
  5. Step 5: Solve for x
    x = 12,161,400,735.74/126,342.72
  6. Step 6: Final answer
    x = 96,257.23

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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.