Home / 154,456.56-231,718.80-87,927.84

Finding the Fourth Proportional to 154,456.56, 231,718.80 and 87,927.84

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Solution

The fourth proportional to 154,456.56, 231,718.80 and 87,927.84 is: 131,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,456.56 : 231,718.80 = 87,927.84 : x
  2. Step 2: Convert to fraction form
    154,456.56/231,718.80 = 87,927.84/x
  3. Step 3: Cross multiply
    154,456.56x = 231,718.80 × 87,927.84
  4. Step 4: Simplify right side
    154,456.56x = 20,374,533,571.39
  5. Step 5: Solve for x
    x = 20,374,533,571.39/154,456.56
  6. Step 6: Final answer
    x = 131,911.09

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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.