Home / 126,810.96-175,002.84-70,223.28

Finding the Fourth Proportional to 126,810.96, 175,002.84 and 70,223.28

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Solution

The fourth proportional to 126,810.96, 175,002.84 and 70,223.28 is: 96,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.96 : 175,002.84 = 70,223.28 : x
  2. Step 2: Convert to fraction form
    126,810.96/175,002.84 = 70,223.28/x
  3. Step 3: Cross multiply
    126,810.96x = 175,002.84 × 70,223.28
  4. Step 4: Simplify right side
    126,810.96x = 12,289,273,434.12
  5. Step 5: Solve for x
    x = 12,289,273,434.12/126,810.96
  6. Step 6: Final answer
    x = 96,910.18

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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.