Home / 247,921.52-342,131.74-134,744.28

Finding the Fourth Proportional to 247,921.52, 342,131.74 and 134,744.28

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Solution

The fourth proportional to 247,921.52, 342,131.74 and 134,744.28 is: 185,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,921.52 : 342,131.74 = 134,744.28 : x
  2. Step 2: Convert to fraction form
    247,921.52/342,131.74 = 134,744.28/x
  3. Step 3: Cross multiply
    247,921.52x = 342,131.74 × 134,744.28
  4. Step 4: Simplify right side
    247,921.52x = 46,100,294,971.45
  5. Step 5: Solve for x
    x = 46,100,294,971.45/247,921.52
  6. Step 6: Final answer
    x = 185,947.13

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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.