Home / 136,245.60-204,160.20-57,316.56

Finding the Fourth Proportional to 136,245.60, 204,160.20 and 57,316.56

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Solution

The fourth proportional to 136,245.60, 204,160.20 and 57,316.56 is: 85,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,245.60 : 204,160.20 = 57,316.56 : x
  2. Step 2: Convert to fraction form
    136,245.60/204,160.20 = 57,316.56/x
  3. Step 3: Cross multiply
    136,245.60x = 204,160.20 × 57,316.56
  4. Step 4: Simplify right side
    136,245.60x = 11,701,760,352.91
  5. Step 5: Solve for x
    x = 11,701,760,352.91/136,245.60
  6. Step 6: Final answer
    x = 85,887.25

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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.