Home / 136,434.12-204,601.29-52,152.60

Finding the Fourth Proportional to 136,434.12, 204,601.29 and 52,152.60

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Solution

The fourth proportional to 136,434.12, 204,601.29 and 52,152.60 is: 78,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,434.12 : 204,601.29 = 52,152.60 : x
  2. Step 2: Convert to fraction form
    136,434.12/204,601.29 = 52,152.60/x
  3. Step 3: Cross multiply
    136,434.12x = 204,601.29 × 52,152.60
  4. Step 4: Simplify right side
    136,434.12x = 10,670,489,236.85
  5. Step 5: Solve for x
    x = 10,670,489,236.85/136,434.12
  6. Step 6: Final answer
    x = 78,209.83

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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.