Home / 153,161.26-229,662.90-68,849.36

Finding the Fourth Proportional to 153,161.26, 229,662.90 and 68,849.36

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Solution

The fourth proportional to 153,161.26, 229,662.90 and 68,849.36 is: 103,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,161.26 : 229,662.90 = 68,849.36 : x
  2. Step 2: Convert to fraction form
    153,161.26/229,662.90 = 68,849.36/x
  3. Step 3: Cross multiply
    153,161.26x = 229,662.90 × 68,849.36
  4. Step 4: Simplify right side
    153,161.26x = 15,812,143,680.74
  5. Step 5: Solve for x
    x = 15,812,143,680.74/153,161.26
  6. Step 6: Final answer
    x = 103,238.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.