Home / 136,211.57-204,376.11-51,997.02

Finding the Fourth Proportional to 136,211.57, 204,376.11 and 51,997.02

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Solution

The fourth proportional to 136,211.57, 204,376.11 and 51,997.02 is: 78,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,211.57 : 204,376.11 = 51,997.02 : x
  2. Step 2: Convert to fraction form
    136,211.57/204,376.11 = 51,997.02/x
  3. Step 3: Cross multiply
    136,211.57x = 204,376.11 × 51,997.02
  4. Step 4: Simplify right side
    136,211.57x = 10,626,948,679.19
  5. Step 5: Solve for x
    x = 10,626,948,679.19/136,211.57
  6. Step 6: Final answer
    x = 78,017.96

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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.