Home / 168,121.02-232,005.52-91,640.13

Finding the Fourth Proportional to 168,121.02, 232,005.52 and 91,640.13

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Solution

The fourth proportional to 168,121.02, 232,005.52 and 91,640.13 is: 126,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,121.02 : 232,005.52 = 91,640.13 : x
  2. Step 2: Convert to fraction form
    168,121.02/232,005.52 = 91,640.13/x
  3. Step 3: Cross multiply
    168,121.02x = 232,005.52 × 91,640.13
  4. Step 4: Simplify right side
    168,121.02x = 21,261,016,013.52
  5. Step 5: Solve for x
    x = 21,261,016,013.52/168,121.02
  6. Step 6: Final answer
    x = 126,462.57

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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.