Home / 136,278.86-204,403.91-36,449.12

Finding the Fourth Proportional to 136,278.86, 204,403.91 and 36,449.12

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Solution

The fourth proportional to 136,278.86, 204,403.91 and 36,449.12 is: 54,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,278.86 : 204,403.91 = 36,449.12 : x
  2. Step 2: Convert to fraction form
    136,278.86/204,403.91 = 36,449.12/x
  3. Step 3: Cross multiply
    136,278.86x = 204,403.91 × 36,449.12
  4. Step 4: Simplify right side
    136,278.86x = 7,450,342,972.82
  5. Step 5: Solve for x
    x = 7,450,342,972.82/136,278.86
  6. Step 6: Final answer
    x = 54,669.84

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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.