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Finding the Fourth Proportional to 199,997.43, 300,079.52 and 87,758.32

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Solution

The fourth proportional to 199,997.43, 300,079.52 and 87,758.32 is: 131,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,997.43 : 300,079.52 = 87,758.32 : x
  2. Step 2: Convert to fraction form
    199,997.43/300,079.52 = 87,758.32/x
  3. Step 3: Cross multiply
    199,997.43x = 300,079.52 × 87,758.32
  4. Step 4: Simplify right side
    199,997.43x = 26,334,474,541.61
  5. Step 5: Solve for x
    x = 26,334,474,541.61/199,997.43
  6. Step 6: Final answer
    x = 131,674.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.