Home / 167,820.26-231,591.96-91,339.65

Finding the Fourth Proportional to 167,820.26, 231,591.96 and 91,339.65

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Solution

The fourth proportional to 167,820.26, 231,591.96 and 91,339.65 is: 126,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,820.26 : 231,591.96 = 91,339.65 : x
  2. Step 2: Convert to fraction form
    167,820.26/231,591.96 = 91,339.65/x
  3. Step 3: Cross multiply
    167,820.26x = 231,591.96 × 91,339.65
  4. Step 4: Simplify right side
    167,820.26x = 21,153,528,569.21
  5. Step 5: Solve for x
    x = 21,153,528,569.21/167,820.26
  6. Step 6: Final answer
    x = 126,048.72

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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.