Home / 136,019.10-204,028.65-82,796.70

Finding the Fourth Proportional to 136,019.10, 204,028.65 and 82,796.70

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Solution

The fourth proportional to 136,019.10, 204,028.65 and 82,796.70 is: 124,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,019.10 : 204,028.65 = 82,796.70 : x
  2. Step 2: Convert to fraction form
    136,019.10/204,028.65 = 82,796.70/x
  3. Step 3: Cross multiply
    136,019.10x = 204,028.65 × 82,796.70
  4. Step 4: Simplify right side
    136,019.10x = 16,892,898,925.46
  5. Step 5: Solve for x
    x = 16,892,898,925.46/136,019.10
  6. Step 6: Final answer
    x = 124,195.05

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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.