Home / 126,010.40-173,902.20-69,421.76

Finding the Fourth Proportional to 126,010.40, 173,902.20 and 69,421.76

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Solution

The fourth proportional to 126,010.40, 173,902.20 and 69,421.76 is: 95,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,010.40 : 173,902.20 = 69,421.76 : x
  2. Step 2: Convert to fraction form
    126,010.40/173,902.20 = 69,421.76/x
  3. Step 3: Cross multiply
    126,010.40x = 173,902.20 × 69,421.76
  4. Step 4: Simplify right side
    126,010.40x = 12,072,596,791.87
  5. Step 5: Solve for x
    x = 12,072,596,791.87/126,010.40
  6. Step 6: Final answer
    x = 95,806.35

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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.