Home / 126,145.85-174,081.08-69,557.36

Finding the Fourth Proportional to 126,145.85, 174,081.08 and 69,557.36

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Solution

The fourth proportional to 126,145.85, 174,081.08 and 69,557.36 is: 95,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,145.85 : 174,081.08 = 69,557.36 : x
  2. Step 2: Convert to fraction form
    126,145.85/174,081.08 = 69,557.36/x
  3. Step 3: Cross multiply
    126,145.85x = 174,081.08 × 69,557.36
  4. Step 4: Simplify right side
    126,145.85x = 12,108,619,132.56
  5. Step 5: Solve for x
    x = 12,108,619,132.56/126,145.85
  6. Step 6: Final answer
    x = 95,989.04

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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.