Home / 238,497.20-329,138.75-135,151.45

Finding the Fourth Proportional to 238,497.20, 329,138.75 and 135,151.45

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Solution

The fourth proportional to 238,497.20, 329,138.75 and 135,151.45 is: 186,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,497.20 : 329,138.75 = 135,151.45 : x
  2. Step 2: Convert to fraction form
    238,497.20/329,138.75 = 135,151.45/x
  3. Step 3: Cross multiply
    238,497.20x = 329,138.75 × 135,151.45
  4. Step 4: Simplify right side
    238,497.20x = 44,483,579,049.35
  5. Step 5: Solve for x
    x = 44,483,579,049.35/238,497.20
  6. Step 6: Final answer
    x = 186,516.15

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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.