Home / 154,409.44-231,648.20-87,880.92

Finding the Fourth Proportional to 154,409.44, 231,648.20 and 87,880.92

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Solution

The fourth proportional to 154,409.44, 231,648.20 and 87,880.92 is: 131,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409.44 : 231,648.20 = 87,880.92 : x
  2. Step 2: Convert to fraction form
    154,409.44/231,648.20 = 87,880.92/x
  3. Step 3: Cross multiply
    154,409.44x = 231,648.20 × 87,880.92
  4. Step 4: Simplify right side
    154,409.44x = 20,357,456,932.34
  5. Step 5: Solve for x
    x = 20,357,456,932.34/154,409.44
  6. Step 6: Final answer
    x = 131,840.75

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1.5x scale

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.