Home / 136,861.90-205,214.46-42,067.42

Finding the Fourth Proportional to 136,861.90, 205,214.46 and 42,067.42

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Solution

The fourth proportional to 136,861.90, 205,214.46 and 42,067.42 is: 63,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,861.90 : 205,214.46 = 42,067.42 : x
  2. Step 2: Convert to fraction form
    136,861.90/205,214.46 = 42,067.42/x
  3. Step 3: Cross multiply
    136,861.90x = 205,214.46 × 42,067.42
  4. Step 4: Simplify right side
    136,861.90x = 8,632,842,878.89
  5. Step 5: Solve for x
    x = 8,632,842,878.89/136,861.90
  6. Step 6: Final answer
    x = 63,077.04

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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.