Home / 217,643.28-300,105.16-141,061.56

Finding the Fourth Proportional to 217,643.28, 300,105.16 and 141,061.56

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Solution

The fourth proportional to 217,643.28, 300,105.16 and 141,061.56 is: 194,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,643.28 : 300,105.16 = 141,061.56 : x
  2. Step 2: Convert to fraction form
    217,643.28/300,105.16 = 141,061.56/x
  3. Step 3: Cross multiply
    217,643.28x = 300,105.16 × 141,061.56
  4. Step 4: Simplify right side
    217,643.28x = 42,333,302,033.65
  5. Step 5: Solve for x
    x = 42,333,302,033.65/217,643.28
  6. Step 6: Final answer
    x = 194,507.74

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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.