Home / 113,161.98-169,721.10-107,542.20

Finding the Fourth Proportional to 113,161.98, 169,721.10 and 107,542.20

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Solution

The fourth proportional to 113,161.98, 169,721.10 and 107,542.20 is: 161,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,161.98 : 169,721.10 = 107,542.20 : x
  2. Step 2: Convert to fraction form
    113,161.98/169,721.10 = 107,542.20/x
  3. Step 3: Cross multiply
    113,161.98x = 169,721.10 × 107,542.20
  4. Step 4: Simplify right side
    113,161.98x = 18,252,180,480.42
  5. Step 5: Solve for x
    x = 18,252,180,480.42/113,161.98
  6. Step 6: Final answer
    x = 161,292.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.