Home / 122,149.23-168,576.80-68,433.90

Finding the Fourth Proportional to 122,149.23, 168,576.80 and 68,433.90

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Solution

The fourth proportional to 122,149.23, 168,576.80 and 68,433.90 is: 94,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,149.23 : 168,576.80 = 68,433.90 : x
  2. Step 2: Convert to fraction form
    122,149.23/168,576.80 = 68,433.90/x
  3. Step 3: Cross multiply
    122,149.23x = 168,576.80 × 68,433.90
  4. Step 4: Simplify right side
    122,149.23x = 11,536,367,531.35
  5. Step 5: Solve for x
    x = 11,536,367,531.35/122,149.23
  6. Step 6: Final answer
    x = 94,444.86

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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.