Home / 250,120.80-345,166.68-136,943.52

Finding the Fourth Proportional to 250,120.80, 345,166.68 and 136,943.52

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Solution

The fourth proportional to 250,120.80, 345,166.68 and 136,943.52 is: 188,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,120.80 : 345,166.68 = 136,943.52 : x
  2. Step 2: Convert to fraction form
    250,120.80/345,166.68 = 136,943.52/x
  3. Step 3: Cross multiply
    250,120.80x = 345,166.68 × 136,943.52
  4. Step 4: Simplify right side
    250,120.80x = 47,268,340,145.91
  5. Step 5: Solve for x
    x = 47,268,340,145.91/250,120.80
  6. Step 6: Final answer
    x = 188,982.04

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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.