Home / 154,315.35-231,414.30-54,456.93

Finding the Fourth Proportional to 154,315.35, 231,414.30 and 54,456.93

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Solution

The fourth proportional to 154,315.35, 231,414.30 and 54,456.93 is: 81,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,315.35 : 231,414.30 = 54,456.93 : x
  2. Step 2: Convert to fraction form
    154,315.35/231,414.30 = 54,456.93/x
  3. Step 3: Cross multiply
    154,315.35x = 231,414.30 × 54,456.93
  4. Step 4: Simplify right side
    154,315.35x = 12,602,112,336.10
  5. Step 5: Solve for x
    x = 12,602,112,336.10/154,315.35
  6. Step 6: Final answer
    x = 81,664.67

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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.