Home / 126,401.14-174,434.61-69,813.46

Finding the Fourth Proportional to 126,401.14, 174,434.61 and 69,813.46

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Solution

The fourth proportional to 126,401.14, 174,434.61 and 69,813.46 is: 96,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,401.14 : 174,434.61 = 69,813.46 : x
  2. Step 2: Convert to fraction form
    126,401.14/174,434.61 = 69,813.46/x
  3. Step 3: Cross multiply
    126,401.14x = 174,434.61 × 69,813.46
  4. Step 4: Simplify right side
    126,401.14x = 12,177,883,667.85
  5. Step 5: Solve for x
    x = 12,177,883,667.85/126,401.14
  6. Step 6: Final answer
    x = 96,343.15

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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.