Home / 181,399.28-272,101.68-69,085.71

Finding the Fourth Proportional to 181,399.28, 272,101.68 and 69,085.71

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Solution

The fourth proportional to 181,399.28, 272,101.68 and 69,085.71 is: 103,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,399.28 : 272,101.68 = 69,085.71 : x
  2. Step 2: Convert to fraction form
    181,399.28/272,101.68 = 69,085.71/x
  3. Step 3: Cross multiply
    181,399.28x = 272,101.68 × 69,085.71
  4. Step 4: Simplify right side
    181,399.28x = 18,798,337,754.99
  5. Step 5: Solve for x
    x = 18,798,337,754.99/181,399.28
  6. Step 6: Final answer
    x = 103,629.62

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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.