Home / 181,932.72-272,928.26-76,767.18

Finding the Fourth Proportional to 181,932.72, 272,928.26 and 76,767.18

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Solution

The fourth proportional to 181,932.72, 272,928.26 and 76,767.18 is: 115,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,932.72 : 272,928.26 = 76,767.18 : x
  2. Step 2: Convert to fraction form
    181,932.72/272,928.26 = 76,767.18/x
  3. Step 3: Cross multiply
    181,932.72x = 272,928.26 × 76,767.18
  4. Step 4: Simplify right side
    181,932.72x = 20,951,932,862.51
  5. Step 5: Solve for x
    x = 20,951,932,862.51/181,932.72
  6. Step 6: Final answer
    x = 115,163.08

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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.