Home / 217,082.08-299,584.56-121,583.20

Finding the Fourth Proportional to 217,082.08, 299,584.56 and 121,583.20

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Solution

The fourth proportional to 217,082.08, 299,584.56 and 121,583.20 is: 167,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,082.08 : 299,584.56 = 121,583.20 : x
  2. Step 2: Convert to fraction form
    217,082.08/299,584.56 = 121,583.20/x
  3. Step 3: Cross multiply
    217,082.08x = 299,584.56 × 121,583.20
  4. Step 4: Simplify right side
    217,082.08x = 36,424,449,475.39
  5. Step 5: Solve for x
    x = 36,424,449,475.39/217,082.08
  6. Step 6: Final answer
    x = 167,791.14

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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.