Home / 122,591.49-169,175.10-68,142.24

Finding the Fourth Proportional to 122,591.49, 169,175.10 and 68,142.24

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Solution

The fourth proportional to 122,591.49, 169,175.10 and 68,142.24 is: 94,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,591.49 : 169,175.10 = 68,142.24 : x
  2. Step 2: Convert to fraction form
    122,591.49/169,175.10 = 68,142.24/x
  3. Step 3: Cross multiply
    122,591.49x = 169,175.10 × 68,142.24
  4. Step 4: Simplify right side
    122,591.49x = 11,527,970,266.22
  5. Step 5: Solve for x
    x = 11,527,970,266.22/122,591.49
  6. Step 6: Final answer
    x = 94,035.65

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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.