Home / 181,350.87-250,270.26-100,781.79

Finding the Fourth Proportional to 181,350.87, 250,270.26 and 100,781.79

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Solution

The fourth proportional to 181,350.87, 250,270.26 and 100,781.79 is: 139,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,350.87 : 250,270.26 = 100,781.79 : x
  2. Step 2: Convert to fraction form
    181,350.87/250,270.26 = 100,781.79/x
  3. Step 3: Cross multiply
    181,350.87x = 250,270.26 × 100,781.79
  4. Step 4: Simplify right side
    181,350.87x = 25,222,684,037.02
  5. Step 5: Solve for x
    x = 25,222,684,037.02/181,350.87
  6. Step 6: Final answer
    x = 139,082.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.