Home / 199,730.62-275,630.34-109,089.19

Finding the Fourth Proportional to 199,730.62, 275,630.34 and 109,089.19

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Solution

The fourth proportional to 199,730.62, 275,630.34 and 109,089.19 is: 150,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,730.62 : 275,630.34 = 109,089.19 : x
  2. Step 2: Convert to fraction form
    199,730.62/275,630.34 = 109,089.19/x
  3. Step 3: Cross multiply
    199,730.62x = 275,630.34 × 109,089.19
  4. Step 4: Simplify right side
    199,730.62x = 30,068,290,530.02
  5. Step 5: Solve for x
    x = 30,068,290,530.02/199,730.62
  6. Step 6: Final answer
    x = 150,544.22

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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.