Home / 154,168.92-231,255.94-54,330.32

Finding the Fourth Proportional to 154,168.92, 231,255.94 and 54,330.32

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Solution

The fourth proportional to 154,168.92, 231,255.94 and 54,330.32 is: 81,496.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,168.92 : 231,255.94 = 54,330.32 : x
  2. Step 2: Convert to fraction form
    154,168.92/231,255.94 = 54,330.32/x
  3. Step 3: Cross multiply
    154,168.92x = 231,255.94 × 54,330.32
  4. Step 4: Simplify right side
    154,168.92x = 12,564,209,222.10
  5. Step 5: Solve for x
    x = 12,564,209,222.10/154,168.92
  6. Step 6: Final answer
    x = 81,496.38

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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.