Home / 178,949.31-246,954.77-98,378.87

Finding the Fourth Proportional to 178,949.31, 246,954.77 and 98,378.87

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Solution

The fourth proportional to 178,949.31, 246,954.77 and 98,378.87 is: 135,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,949.31 : 246,954.77 = 98,378.87 : x
  2. Step 2: Convert to fraction form
    178,949.31/246,954.77 = 98,378.87/x
  3. Step 3: Cross multiply
    178,949.31x = 246,954.77 × 98,378.87
  4. Step 4: Simplify right side
    178,949.31x = 24,295,129,487.04
  5. Step 5: Solve for x
    x = 24,295,129,487.04/178,949.31
  6. Step 6: Final answer
    x = 135,765.43

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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.