Home / 131,573.97-181,655.10-91,273.64

Finding the Fourth Proportional to 131,573.97, 181,655.10 and 91,273.64

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Solution

The fourth proportional to 131,573.97, 181,655.10 and 91,273.64 is: 126,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,573.97 : 181,655.10 = 91,273.64 : x
  2. Step 2: Convert to fraction form
    131,573.97/181,655.10 = 91,273.64/x
  3. Step 3: Cross multiply
    131,573.97x = 181,655.10 × 91,273.64
  4. Step 4: Simplify right side
    131,573.97x = 16,580,321,293.29
  5. Step 5: Solve for x
    x = 16,580,321,293.29/131,573.97
  6. Step 6: Final answer
    x = 126,015.21

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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.