Home / 121,161.45-181,727.82-32,421.81

Finding the Fourth Proportional to 121,161.45, 181,727.82 and 32,421.81

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Solution

The fourth proportional to 121,161.45, 181,727.82 and 32,421.81 is: 48,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,161.45 : 181,727.82 = 32,421.81 : x
  2. Step 2: Convert to fraction form
    121,161.45/181,727.82 = 32,421.81/x
  3. Step 3: Cross multiply
    121,161.45x = 181,727.82 × 32,421.81
  4. Step 4: Simplify right side
    121,161.45x = 5,891,944,851.75
  5. Step 5: Solve for x
    x = 5,891,944,851.75/121,161.45
  6. Step 6: Final answer
    x = 48,628.87

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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.