Home / 122,132.43-168,541.76-68,417.96

Finding the Fourth Proportional to 122,132.43, 168,541.76 and 68,417.96

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Solution

The fourth proportional to 122,132.43, 168,541.76 and 68,417.96 is: 94,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,132.43 : 168,541.76 = 68,417.96 : x
  2. Step 2: Convert to fraction form
    122,132.43/168,541.76 = 68,417.96/x
  3. Step 3: Cross multiply
    122,132.43x = 168,541.76 × 68,417.96
  4. Step 4: Simplify right side
    122,132.43x = 11,531,282,722.35
  5. Step 5: Solve for x
    x = 11,531,282,722.35/122,132.43
  6. Step 6: Final answer
    x = 94,416.22

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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.