Home / 121,119.87-181,716.66-61,997.04

Finding the Fourth Proportional to 121,119.87, 181,716.66 and 61,997.04

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Solution

The fourth proportional to 121,119.87, 181,716.66 and 61,997.04 is: 93,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,119.87 : 181,716.66 = 61,997.04 : x
  2. Step 2: Convert to fraction form
    121,119.87/181,716.66 = 61,997.04/x
  3. Step 3: Cross multiply
    121,119.87x = 181,716.66 × 61,997.04
  4. Step 4: Simplify right side
    121,119.87x = 11,265,895,038.69
  5. Step 5: Solve for x
    x = 11,265,895,038.69/121,119.87
  6. Step 6: Final answer
    x = 93,014.42

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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.