Home / 136,408.56-204,612.86-41,639.25

Finding the Fourth Proportional to 136,408.56, 204,612.86 and 41,639.25

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Solution

The fourth proportional to 136,408.56, 204,612.86 and 41,639.25 is: 62,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,408.56 : 204,612.86 = 41,639.25 : x
  2. Step 2: Convert to fraction form
    136,408.56/204,612.86 = 41,639.25/x
  3. Step 3: Cross multiply
    136,408.56x = 204,612.86 × 41,639.25
  4. Step 4: Simplify right side
    136,408.56x = 8,519,925,822.56
  5. Step 5: Solve for x
    x = 8,519,925,822.56/136,408.56
  6. Step 6: Final answer
    x = 62,458.88

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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.