Home / 154,055.80-231,083.70-43,247.80

Finding the Fourth Proportional to 154,055.80, 231,083.70 and 43,247.80

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Solution

The fourth proportional to 154,055.80, 231,083.70 and 43,247.80 is: 64,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,055.80 : 231,083.70 = 43,247.80 : x
  2. Step 2: Convert to fraction form
    154,055.80/231,083.70 = 43,247.80/x
  3. Step 3: Cross multiply
    154,055.80x = 231,083.70 × 43,247.80
  4. Step 4: Simplify right side
    154,055.80x = 9,993,861,640.86
  5. Step 5: Solve for x
    x = 9,993,861,640.86/154,055.80
  6. Step 6: Final answer
    x = 64,871.70

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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.