Home / 154,017.32-231,025.82-57,972.47

Finding the Fourth Proportional to 154,017.32, 231,025.82 and 57,972.47

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Solution

The fourth proportional to 154,017.32, 231,025.82 and 57,972.47 is: 86,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,017.32 : 231,025.82 = 57,972.47 : x
  2. Step 2: Convert to fraction form
    154,017.32/231,025.82 = 57,972.47/x
  3. Step 3: Cross multiply
    154,017.32x = 231,025.82 × 57,972.47
  4. Step 4: Simplify right side
    154,017.32x = 13,393,135,974.18
  5. Step 5: Solve for x
    x = 13,393,135,974.18/154,017.32
  6. Step 6: Final answer
    x = 86,958.64

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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.