Home / 131,794.82-181,877.20-71,366.22

Finding the Fourth Proportional to 131,794.82, 181,877.20 and 71,366.22

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Solution

The fourth proportional to 131,794.82, 181,877.20 and 71,366.22 is: 98,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,794.82 : 181,877.20 = 71,366.22 : x
  2. Step 2: Convert to fraction form
    131,794.82/181,877.20 = 71,366.22/x
  3. Step 3: Cross multiply
    131,794.82x = 181,877.20 × 71,366.22
  4. Step 4: Simplify right side
    131,794.82x = 12,979,888,268.18
  5. Step 5: Solve for x
    x = 12,979,888,268.18/131,794.82
  6. Step 6: Final answer
    x = 98,485.57

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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.