Home / 140,025.92-209,400.42-104,512.28

Finding the Fourth Proportional to 140,025.92, 209,400.42 and 104,512.28

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Solution

The fourth proportional to 140,025.92, 209,400.42 and 104,512.28 is: 156,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,025.92 : 209,400.42 = 104,512.28 : x
  2. Step 2: Convert to fraction form
    140,025.92/209,400.42 = 104,512.28/x
  3. Step 3: Cross multiply
    140,025.92x = 209,400.42 × 104,512.28
  4. Step 4: Simplify right side
    140,025.92x = 21,884,915,327.16
  5. Step 5: Solve for x
    x = 21,884,915,327.16/140,025.92
  6. Step 6: Final answer
    x = 156,291.89

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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.