Home / 240,131.16-360,382.68-90,507.56

Finding the Fourth Proportional to 240,131.16, 360,382.68 and 90,507.56

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Solution

The fourth proportional to 240,131.16, 360,382.68 and 90,507.56 is: 135,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,131.16 : 360,382.68 = 90,507.56 : x
  2. Step 2: Convert to fraction form
    240,131.16/360,382.68 = 90,507.56/x
  3. Step 3: Cross multiply
    240,131.16x = 360,382.68 × 90,507.56
  4. Step 4: Simplify right side
    240,131.16x = 32,617,355,231.15
  5. Step 5: Solve for x
    x = 32,617,355,231.15/240,131.16
  6. Step 6: Final answer
    x = 135,831.41

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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.