Home / 181,499.74-272,249.44-55,139.47

Finding the Fourth Proportional to 181,499.74, 272,249.44 and 55,139.47

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Solution

The fourth proportional to 181,499.74, 272,249.44 and 55,139.47 is: 82,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,499.74 : 272,249.44 = 55,139.47 : x
  2. Step 2: Convert to fraction form
    181,499.74/272,249.44 = 55,139.47/x
  3. Step 3: Cross multiply
    181,499.74x = 272,249.44 × 55,139.47
  4. Step 4: Simplify right side
    181,499.74x = 15,011,689,010.92
  5. Step 5: Solve for x
    x = 15,011,689,010.92/181,499.74
  6. Step 6: Final answer
    x = 82,709.15

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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.