Home / 154,297.31-231,464.45-54,436.86

Finding the Fourth Proportional to 154,297.31, 231,464.45 and 54,436.86

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Solution

The fourth proportional to 154,297.31, 231,464.45 and 54,436.86 is: 81,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,297.31 : 231,464.45 = 54,436.86 : x
  2. Step 2: Convert to fraction form
    154,297.31/231,464.45 = 54,436.86/x
  3. Step 3: Cross multiply
    154,297.31x = 231,464.45 × 54,436.86
  4. Step 4: Simplify right side
    154,297.31x = 12,600,197,995.72
  5. Step 5: Solve for x
    x = 12,600,197,995.72/154,297.31
  6. Step 6: Final answer
    x = 81,661.82

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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.