Home / 167,937.86-231,758.40-103,383.10

Finding the Fourth Proportional to 167,937.86, 231,758.40 and 103,383.10

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Solution

The fourth proportional to 167,937.86, 231,758.40 and 103,383.10 is: 142,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,937.86 : 231,758.40 = 103,383.10 : x
  2. Step 2: Convert to fraction form
    167,937.86/231,758.40 = 103,383.10/x
  3. Step 3: Cross multiply
    167,937.86x = 231,758.40 × 103,383.10
  4. Step 4: Simplify right side
    167,937.86x = 23,959,901,843.04
  5. Step 5: Solve for x
    x = 23,959,901,843.04/167,937.86
  6. Step 6: Final answer
    x = 142,671.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.