Home / 229,731.88-317,058.26-139,119.36

Finding the Fourth Proportional to 229,731.88, 317,058.26 and 139,119.36

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Solution

The fourth proportional to 229,731.88, 317,058.26 and 139,119.36 is: 192,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,731.88 : 317,058.26 = 139,119.36 : x
  2. Step 2: Convert to fraction form
    229,731.88/317,058.26 = 139,119.36/x
  3. Step 3: Cross multiply
    229,731.88x = 317,058.26 × 139,119.36
  4. Step 4: Simplify right side
    229,731.88x = 44,108,942,213.91
  5. Step 5: Solve for x
    x = 44,108,942,213.91/229,731.88
  6. Step 6: Final answer
    x = 192,001.83

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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.