Home / 133,094.10-199,641.15-122,207.70

Finding the Fourth Proportional to 133,094.10, 199,641.15 and 122,207.70

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Solution

The fourth proportional to 133,094.10, 199,641.15 and 122,207.70 is: 183,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,094.10 : 199,641.15 = 122,207.70 : x
  2. Step 2: Convert to fraction form
    133,094.10/199,641.15 = 122,207.70/x
  3. Step 3: Cross multiply
    133,094.10x = 199,641.15 × 122,207.70
  4. Step 4: Simplify right side
    133,094.10x = 24,397,685,766.86
  5. Step 5: Solve for x
    x = 24,397,685,766.86/133,094.10
  6. Step 6: Final answer
    x = 183,311.55

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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.