Home / 136,108.60-203,774.10-122,111.80

Finding the Fourth Proportional to 136,108.60, 203,774.10 and 122,111.80

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Solution

The fourth proportional to 136,108.60, 203,774.10 and 122,111.80 is: 182,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,108.60 : 203,774.10 = 122,111.80 : x
  2. Step 2: Convert to fraction form
    136,108.60/203,774.10 = 122,111.80/x
  3. Step 3: Cross multiply
    136,108.60x = 203,774.10 × 122,111.80
  4. Step 4: Simplify right side
    136,108.60x = 24,883,222,144.38
  5. Step 5: Solve for x
    x = 24,883,222,144.38/136,108.60
  6. Step 6: Final answer
    x = 182,818.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.