Home / 154,443.90-231,665.85-54,603.30

Finding the Fourth Proportional to 154,443.90, 231,665.85 and 54,603.30

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Solution

The fourth proportional to 154,443.90, 231,665.85 and 54,603.30 is: 81,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,443.90 : 231,665.85 = 54,603.30 : x
  2. Step 2: Convert to fraction form
    154,443.90/231,665.85 = 54,603.30/x
  3. Step 3: Cross multiply
    154,443.90x = 231,665.85 × 54,603.30
  4. Step 4: Simplify right side
    154,443.90x = 12,649,719,907.31
  5. Step 5: Solve for x
    x = 12,649,719,907.31/154,443.90
  6. Step 6: Final answer
    x = 81,904.95

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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.