Home / 121,116.24-181,741.32-50,994

Finding the Fourth Proportional to 121,116.24, 181,741.32 and 50,994

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Solution

The fourth proportional to 121,116.24, 181,741.32 and 50,994 is: 76,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,116.24 : 181,741.32 = 50,994 : x
  2. Step 2: Convert to fraction form
    121,116.24/181,741.32 = 50,994/x
  3. Step 3: Cross multiply
    121,116.24x = 181,741.32 × 50,994
  4. Step 4: Simplify right side
    121,116.24x = 9,267,716,872.08
  5. Step 5: Solve for x
    x = 9,267,716,872.08/121,116.24
  6. Step 6: Final answer
    x = 76,519.19

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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.