Home / 217,633.64-300,256.62-137,066.18

Finding the Fourth Proportional to 217,633.64, 300,256.62 and 137,066.18

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Solution

The fourth proportional to 217,633.64, 300,256.62 and 137,066.18 is: 189,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,633.64 : 300,256.62 = 137,066.18 : x
  2. Step 2: Convert to fraction form
    217,633.64/300,256.62 = 137,066.18/x
  3. Step 3: Cross multiply
    217,633.64x = 300,256.62 × 137,066.18
  4. Step 4: Simplify right side
    217,633.64x = 41,155,027,923.11
  5. Step 5: Solve for x
    x = 41,155,027,923.11/217,633.64
  6. Step 6: Final answer
    x = 189,102.33

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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.