Home / 247,982.82-342,216.50-134,805.57

Finding the Fourth Proportional to 247,982.82, 342,216.50 and 134,805.57

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Solution

The fourth proportional to 247,982.82, 342,216.50 and 134,805.57 is: 186,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,982.82 : 342,216.50 = 134,805.57 : x
  2. Step 2: Convert to fraction form
    247,982.82/342,216.50 = 134,805.57/x
  3. Step 3: Cross multiply
    247,982.82x = 342,216.50 × 134,805.57
  4. Step 4: Simplify right side
    247,982.82x = 46,132,688,388.57
  5. Step 5: Solve for x
    x = 46,132,688,388.57/247,982.82
  6. Step 6: Final answer
    x = 186,031.79

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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.