Home / 178,859.72-246,825.60-102,378.44

Finding the Fourth Proportional to 178,859.72, 246,825.60 and 102,378.44

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Solution

The fourth proportional to 178,859.72, 246,825.60 and 102,378.44 is: 141,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,859.72 : 246,825.60 = 102,378.44 : x
  2. Step 2: Convert to fraction form
    178,859.72/246,825.60 = 102,378.44/x
  3. Step 3: Cross multiply
    178,859.72x = 246,825.60 × 102,378.44
  4. Step 4: Simplify right side
    178,859.72x = 25,269,619,880.06
  5. Step 5: Solve for x
    x = 25,269,619,880.06/178,859.72
  6. Step 6: Final answer
    x = 141,281.78

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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.