Home / 122,011.17-168,375.42-68,296.20

Finding the Fourth Proportional to 122,011.17, 168,375.42 and 68,296.20

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Solution

The fourth proportional to 122,011.17, 168,375.42 and 68,296.20 is: 94,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,011.17 : 168,375.42 = 68,296.20 : x
  2. Step 2: Convert to fraction form
    122,011.17/168,375.42 = 68,296.20/x
  3. Step 3: Cross multiply
    122,011.17x = 168,375.42 × 68,296.20
  4. Step 4: Simplify right side
    122,011.17x = 11,499,401,359.40
  5. Step 5: Solve for x
    x = 11,499,401,359.40/122,011.17
  6. Step 6: Final answer
    x = 94,248.76

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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.