Home / 218,025.09-300,847.55-126,160.16

Finding the Fourth Proportional to 218,025.09, 300,847.55 and 126,160.16

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Solution

The fourth proportional to 218,025.09, 300,847.55 and 126,160.16 is: 174,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,025.09 : 300,847.55 = 126,160.16 : x
  2. Step 2: Convert to fraction form
    218,025.09/300,847.55 = 126,160.16/x
  3. Step 3: Cross multiply
    218,025.09x = 300,847.55 × 126,160.16
  4. Step 4: Simplify right side
    218,025.09x = 37,954,972,908.57
  5. Step 5: Solve for x
    x = 37,954,972,908.57/218,025.09
  6. Step 6: Final answer
    x = 174,085.34

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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.