Home / 136,185.90-204,311.58-42,691.65

Finding the Fourth Proportional to 136,185.90, 204,311.58 and 42,691.65

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Solution

The fourth proportional to 136,185.90, 204,311.58 and 42,691.65 is: 64,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,185.90 : 204,311.58 = 42,691.65 : x
  2. Step 2: Convert to fraction form
    136,185.90/204,311.58 = 42,691.65/x
  3. Step 3: Cross multiply
    136,185.90x = 204,311.58 × 42,691.65
  4. Step 4: Simplify right side
    136,185.90x = 8,722,398,464.31
  5. Step 5: Solve for x
    x = 8,722,398,464.31/136,185.90
  6. Step 6: Final answer
    x = 64,047.74

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1.5x scale

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.