Home / 154,113.74-231,193.69-54,256.33

Finding the Fourth Proportional to 154,113.74, 231,193.69 and 54,256.33

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Solution

The fourth proportional to 154,113.74, 231,193.69 and 54,256.33 is: 81,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,113.74 : 231,193.69 = 54,256.33 : x
  2. Step 2: Convert to fraction form
    154,113.74/231,193.69 = 54,256.33/x
  3. Step 3: Cross multiply
    154,113.74x = 231,193.69 × 54,256.33
  4. Step 4: Simplify right side
    154,113.74x = 12,543,721,597.10
  5. Step 5: Solve for x
    x = 12,543,721,597.10/154,113.74
  6. Step 6: Final answer
    x = 81,392.62

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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.