Home / 239,110.84-329,960.33-137,131.03

Finding the Fourth Proportional to 239,110.84, 329,960.33 and 137,131.03

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Solution

The fourth proportional to 239,110.84, 329,960.33 and 137,131.03 is: 189,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,110.84 : 329,960.33 = 137,131.03 : x
  2. Step 2: Convert to fraction form
    239,110.84/329,960.33 = 137,131.03/x
  3. Step 3: Cross multiply
    239,110.84x = 329,960.33 × 137,131.03
  4. Step 4: Simplify right side
    239,110.84x = 45,247,799,226.38
  5. Step 5: Solve for x
    x = 45,247,799,226.38/239,110.84
  6. Step 6: Final answer
    x = 189,233.58

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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.