Home / 136,447.64-204,445.19-82,977.87

Finding the Fourth Proportional to 136,447.64, 204,445.19 and 82,977.87

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Solution

The fourth proportional to 136,447.64, 204,445.19 and 82,977.87 is: 124,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,447.64 : 204,445.19 = 82,977.87 : x
  2. Step 2: Convert to fraction form
    136,447.64/204,445.19 = 82,977.87/x
  3. Step 3: Cross multiply
    136,447.64x = 204,445.19 × 82,977.87
  4. Step 4: Simplify right side
    136,447.64x = 16,964,425,983.06
  5. Step 5: Solve for x
    x = 16,964,425,983.06/136,447.64
  6. Step 6: Final answer
    x = 124,329.20

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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.