Home / 205,073.10-307,321.65-163,025.10

Finding the Fourth Proportional to 205,073.10, 307,321.65 and 163,025.10

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Solution

The fourth proportional to 205,073.10, 307,321.65 and 163,025.10 is: 244,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,073.10 : 307,321.65 = 163,025.10 : x
  2. Step 2: Convert to fraction form
    205,073.10/307,321.65 = 163,025.10/x
  3. Step 3: Cross multiply
    205,073.10x = 307,321.65 × 163,025.10
  4. Step 4: Simplify right side
    205,073.10x = 50,101,142,723.42
  5. Step 5: Solve for x
    x = 50,101,142,723.42/205,073.10
  6. Step 6: Final answer
    x = 244,308.70

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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.