Home / 211,391.54-291,732.26-125,401.43

Finding the Fourth Proportional to 211,391.54, 291,732.26 and 125,401.43

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Solution

The fourth proportional to 211,391.54, 291,732.26 and 125,401.43 is: 173,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,391.54 : 291,732.26 = 125,401.43 : x
  2. Step 2: Convert to fraction form
    211,391.54/291,732.26 = 125,401.43/x
  3. Step 3: Cross multiply
    211,391.54x = 291,732.26 × 125,401.43
  4. Step 4: Simplify right side
    211,391.54x = 36,583,642,683.46
  5. Step 5: Solve for x
    x = 36,583,642,683.46/211,391.54
  6. Step 6: Final answer
    x = 173,061.06

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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.