Home / 181,839.87-250,921.05-101,274.90

Finding the Fourth Proportional to 181,839.87, 250,921.05 and 101,274.90

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Solution

The fourth proportional to 181,839.87, 250,921.05 and 101,274.90 is: 139,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,839.87 : 250,921.05 = 101,274.90 : x
  2. Step 2: Convert to fraction form
    181,839.87/250,921.05 = 101,274.90/x
  3. Step 3: Cross multiply
    181,839.87x = 250,921.05 × 101,274.90
  4. Step 4: Simplify right side
    181,839.87x = 25,412,004,246.65
  5. Step 5: Solve for x
    x = 25,412,004,246.65/181,839.87
  6. Step 6: Final answer
    x = 139,749.35

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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.