Home / 136,178.90-204,268.59-42,691.94

Finding the Fourth Proportional to 136,178.90, 204,268.59 and 42,691.94

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Solution

The fourth proportional to 136,178.90, 204,268.59 and 42,691.94 is: 64,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,178.90 : 204,268.59 = 42,691.94 : x
  2. Step 2: Convert to fraction form
    136,178.90/204,268.59 = 42,691.94/x
  3. Step 3: Cross multiply
    136,178.90x = 204,268.59 × 42,691.94
  4. Step 4: Simplify right side
    136,178.90x = 8,720,622,388.16
  5. Step 5: Solve for x
    x = 8,720,622,388.16/136,178.90
  6. Step 6: Final answer
    x = 64,037.99

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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.