Home / 126,250.40-174,229.18-69,665.42

Finding the Fourth Proportional to 126,250.40, 174,229.18 and 69,665.42

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Solution

The fourth proportional to 126,250.40, 174,229.18 and 69,665.42 is: 96,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,250.40 : 174,229.18 = 69,665.42 : x
  2. Step 2: Convert to fraction form
    126,250.40/174,229.18 = 69,665.42/x
  3. Step 3: Cross multiply
    126,250.40x = 174,229.18 × 69,665.42
  4. Step 4: Simplify right side
    126,250.40x = 12,137,749,000.96
  5. Step 5: Solve for x
    x = 12,137,749,000.96/126,250.40
  6. Step 6: Final answer
    x = 96,140.28

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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.