Home / 126,360.28-174,378.30-69,775.96

Finding the Fourth Proportional to 126,360.28, 174,378.30 and 69,775.96

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Solution

The fourth proportional to 126,360.28, 174,378.30 and 69,775.96 is: 96,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,360.28 : 174,378.30 = 69,775.96 : x
  2. Step 2: Convert to fraction form
    126,360.28/174,378.30 = 69,775.96/x
  3. Step 3: Cross multiply
    126,360.28x = 174,378.30 × 69,775.96
  4. Step 4: Simplify right side
    126,360.28x = 12,167,413,285.67
  5. Step 5: Solve for x
    x = 12,167,413,285.67/126,360.28
  6. Step 6: Final answer
    x = 96,291.44

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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.