Home / 121,519.08-182,278.08-32,781.56

Finding the Fourth Proportional to 121,519.08, 182,278.08 and 32,781.56

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Solution

The fourth proportional to 121,519.08, 182,278.08 and 32,781.56 is: 49,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,519.08 : 182,278.08 = 32,781.56 : x
  2. Step 2: Convert to fraction form
    121,519.08/182,278.08 = 32,781.56/x
  3. Step 3: Cross multiply
    121,519.08x = 182,278.08 × 32,781.56
  4. Step 4: Simplify right side
    121,519.08x = 5,975,358,904.81
  5. Step 5: Solve for x
    x = 5,975,358,904.81/121,519.08
  6. Step 6: Final answer
    x = 49,172.19

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1.5x scale

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.