Home / 136,196.46-204,037.08-77,074.56

Finding the Fourth Proportional to 136,196.46, 204,037.08 and 77,074.56

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Solution

The fourth proportional to 136,196.46, 204,037.08 and 77,074.56 is: 115,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,196.46 : 204,037.08 = 77,074.56 : x
  2. Step 2: Convert to fraction form
    136,196.46/204,037.08 = 77,074.56/x
  3. Step 3: Cross multiply
    136,196.46x = 204,037.08 × 77,074.56
  4. Step 4: Simplify right side
    136,196.46x = 15,726,068,164.68
  5. Step 5: Solve for x
    x = 15,726,068,164.68/136,196.46
  6. Step 6: Final answer
    x = 115,466.06

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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.