Home / 126,420.48-174,456.96-69,822.72

Finding the Fourth Proportional to 126,420.48, 174,456.96 and 69,822.72

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Solution

The fourth proportional to 126,420.48, 174,456.96 and 69,822.72 is: 96,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,420.48 : 174,456.96 = 69,822.72 : x
  2. Step 2: Convert to fraction form
    126,420.48/174,456.96 = 69,822.72/x
  3. Step 3: Cross multiply
    126,420.48x = 174,456.96 × 69,822.72
  4. Step 4: Simplify right side
    126,420.48x = 12,181,059,470.13
  5. Step 5: Solve for x
    x = 12,181,059,470.13/126,420.48
  6. Step 6: Final answer
    x = 96,353.53

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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.