Home / 154,815.28-232,193.52-54,971.44

Finding the Fourth Proportional to 154,815.28, 232,193.52 and 54,971.44

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Solution

The fourth proportional to 154,815.28, 232,193.52 and 54,971.44 is: 82,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,815.28 : 232,193.52 = 54,971.44 : x
  2. Step 2: Convert to fraction form
    154,815.28/232,193.52 = 54,971.44/x
  3. Step 3: Cross multiply
    154,815.28x = 232,193.52 × 54,971.44
  4. Step 4: Simplify right side
    154,815.28x = 12,764,012,153.07
  5. Step 5: Solve for x
    x = 12,764,012,153.07/154,815.28
  6. Step 6: Final answer
    x = 82,446.72

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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.