Home / 154,217.40-231,671.70-147,919.80

Finding the Fourth Proportional to 154,217.40, 231,671.70 and 147,919.80

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Solution

The fourth proportional to 154,217.40, 231,671.70 and 147,919.80 is: 222,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,217.40 : 231,671.70 = 147,919.80 : x
  2. Step 2: Convert to fraction form
    154,217.40/231,671.70 = 147,919.80/x
  3. Step 3: Cross multiply
    154,217.40x = 231,671.70 × 147,919.80
  4. Step 4: Simplify right side
    154,217.40x = 34,268,831,529.66
  5. Step 5: Solve for x
    x = 34,268,831,529.66/154,217.40
  6. Step 6: Final answer
    x = 222,211.19

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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.