Home / 240,131.19-360,382.65-90,507.57

Finding the Fourth Proportional to 240,131.19, 360,382.65 and 90,507.57

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Solution

The fourth proportional to 240,131.19, 360,382.65 and 90,507.57 is: 135,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,131.19 : 360,382.65 = 90,507.57 : x
  2. Step 2: Convert to fraction form
    240,131.19/360,382.65 = 90,507.57/x
  3. Step 3: Cross multiply
    240,131.19x = 360,382.65 × 90,507.57
  4. Step 4: Simplify right side
    240,131.19x = 32,617,357,921.66
  5. Step 5: Solve for x
    x = 32,617,357,921.66/240,131.19
  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.