Home / 136,487.10-204,633.45-52,214.70

Finding the Fourth Proportional to 136,487.10, 204,633.45 and 52,214.70

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Solution

The fourth proportional to 136,487.10, 204,633.45 and 52,214.70 is: 78,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,487.10 : 204,633.45 = 52,214.70 : x
  2. Step 2: Convert to fraction form
    136,487.10/204,633.45 = 52,214.70/x
  3. Step 3: Cross multiply
    136,487.10x = 204,633.45 × 52,214.70
  4. Step 4: Simplify right side
    136,487.10x = 10,684,874,201.72
  5. Step 5: Solve for x
    x = 10,684,874,201.72/136,487.10
  6. Step 6: Final answer
    x = 78,284.87

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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.