Home / 217,232.28-299,789.10-121,738.14

Finding the Fourth Proportional to 217,232.28, 299,789.10 and 121,738.14

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Solution

The fourth proportional to 217,232.28, 299,789.10 and 121,738.14 is: 168,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,232.28 : 299,789.10 = 121,738.14 : x
  2. Step 2: Convert to fraction form
    217,232.28/299,789.10 = 121,738.14/x
  3. Step 3: Cross multiply
    217,232.28x = 299,789.10 × 121,738.14
  4. Step 4: Simplify right side
    217,232.28x = 36,495,767,426.27
  5. Step 5: Solve for x
    x = 36,495,767,426.27/217,232.28
  6. Step 6: Final answer
    x = 168,003.43

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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.