Home / 209,790.25-289,500.48-119,134.24

Finding the Fourth Proportional to 209,790.25, 289,500.48 and 119,134.24

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Solution

The fourth proportional to 209,790.25, 289,500.48 and 119,134.24 is: 164,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,790.25 : 289,500.48 = 119,134.24 : x
  2. Step 2: Convert to fraction form
    209,790.25/289,500.48 = 119,134.24/x
  3. Step 3: Cross multiply
    209,790.25x = 289,500.48 × 119,134.24
  4. Step 4: Simplify right side
    209,790.25x = 34,489,420,569.12
  5. Step 5: Solve for x
    x = 34,489,420,569.12/209,790.25
  6. Step 6: Final answer
    x = 164,399.54

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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.