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Finding the Fourth Proportional to 178,462.67, 246,274.04 and 101,976.90

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Solution

The fourth proportional to 178,462.67, 246,274.04 and 101,976.90 is: 140,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,462.67 : 246,274.04 = 101,976.90 : x
  2. Step 2: Convert to fraction form
    178,462.67/246,274.04 = 101,976.90/x
  3. Step 3: Cross multiply
    178,462.67x = 246,274.04 × 101,976.90
  4. Step 4: Simplify right side
    178,462.67x = 25,114,263,149.68
  5. Step 5: Solve for x
    x = 25,114,263,149.68/178,462.67
  6. Step 6: Final answer
    x = 140,725.58

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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.