Home / 202,923.20-280,099.04-142,508.48

Finding the Fourth Proportional to 202,923.20, 280,099.04 and 142,508.48

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Solution

The fourth proportional to 202,923.20, 280,099.04 and 142,508.48 is: 196,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,923.20 : 280,099.04 = 142,508.48 : x
  2. Step 2: Convert to fraction form
    202,923.20/280,099.04 = 142,508.48/x
  3. Step 3: Cross multiply
    202,923.20x = 280,099.04 × 142,508.48
  4. Step 4: Simplify right side
    202,923.20x = 39,916,488,439.86
  5. Step 5: Solve for x
    x = 39,916,488,439.86/202,923.20
  6. Step 6: Final answer
    x = 196,707.37

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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.