Home / 121,041.72-181,581.96-50,941.08

Finding the Fourth Proportional to 121,041.72, 181,581.96 and 50,941.08

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Solution

The fourth proportional to 121,041.72, 181,581.96 and 50,941.08 is: 76,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,041.72 : 181,581.96 = 50,941.08 : x
  2. Step 2: Convert to fraction form
    121,041.72/181,581.96 = 50,941.08/x
  3. Step 3: Cross multiply
    121,041.72x = 181,581.96 × 50,941.08
  4. Step 4: Simplify right side
    121,041.72x = 9,249,981,150.92
  5. Step 5: Solve for x
    x = 9,249,981,150.92/121,041.72
  6. Step 6: Final answer
    x = 76,419.78

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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.