Home / 131,242.25-181,114.31-71,626.25

Finding the Fourth Proportional to 131,242.25, 181,114.31 and 71,626.25

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Solution

The fourth proportional to 131,242.25, 181,114.31 and 71,626.25 is: 98,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,242.25 : 181,114.31 = 71,626.25 : x
  2. Step 2: Convert to fraction form
    131,242.25/181,114.31 = 71,626.25/x
  3. Step 3: Cross multiply
    131,242.25x = 181,114.31 × 71,626.25
  4. Step 4: Simplify right side
    131,242.25x = 12,972,538,846.64
  5. Step 5: Solve for x
    x = 12,972,538,846.64/131,242.25
  6. Step 6: Final answer
    x = 98,844.23

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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.