Home / 121,326.40-181,997.70-41,363.20

Finding the Fourth Proportional to 121,326.40, 181,997.70 and 41,363.20

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Solution

The fourth proportional to 121,326.40, 181,997.70 and 41,363.20 is: 62,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,326.40 : 181,997.70 = 41,363.20 : x
  2. Step 2: Convert to fraction form
    121,326.40/181,997.70 = 41,363.20/x
  3. Step 3: Cross multiply
    121,326.40x = 181,997.70 × 41,363.20
  4. Step 4: Simplify right side
    121,326.40x = 7,528,007,264.64
  5. Step 5: Solve for x
    x = 7,528,007,264.64/121,326.40
  6. Step 6: Final answer
    x = 62,047.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.