Home / 154,454.86-231,701.37-54,594.46

Finding the Fourth Proportional to 154,454.86, 231,701.37 and 54,594.46

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Solution

The fourth proportional to 154,454.86, 231,701.37 and 54,594.46 is: 81,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,454.86 : 231,701.37 = 54,594.46 : x
  2. Step 2: Convert to fraction form
    154,454.86/231,701.37 = 54,594.46/x
  3. Step 3: Cross multiply
    154,454.86x = 231,701.37 × 54,594.46
  4. Step 4: Simplify right side
    154,454.86x = 12,649,611,176.41
  5. Step 5: Solve for x
    x = 12,649,611,176.41/154,454.86
  6. Step 6: Final answer
    x = 81,898.43

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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.