Home / 122,200.27-168,642.98-68,502.53

Finding the Fourth Proportional to 122,200.27, 168,642.98 and 68,502.53

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Solution

The fourth proportional to 122,200.27, 168,642.98 and 68,502.53 is: 94,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,200.27 : 168,642.98 = 68,502.53 : x
  2. Step 2: Convert to fraction form
    122,200.27/168,642.98 = 68,502.53/x
  3. Step 3: Cross multiply
    122,200.27x = 168,642.98 × 68,502.53
  4. Step 4: Simplify right side
    122,200.27x = 11,552,471,132.72
  5. Step 5: Solve for x
    x = 11,552,471,132.72/122,200.27
  6. Step 6: Final answer
    x = 94,537.20

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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.