Home / 183,430.20-275,145.30-130,286.10

Finding the Fourth Proportional to 183,430.20, 275,145.30 and 130,286.10

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Solution

The fourth proportional to 183,430.20, 275,145.30 and 130,286.10 is: 195,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,430.20 : 275,145.30 = 130,286.10 : x
  2. Step 2: Convert to fraction form
    183,430.20/275,145.30 = 130,286.10/x
  3. Step 3: Cross multiply
    183,430.20x = 275,145.30 × 130,286.10
  4. Step 4: Simplify right side
    183,430.20x = 35,847,608,070.33
  5. Step 5: Solve for x
    x = 35,847,608,070.33/183,430.20
  6. Step 6: Final answer
    x = 195,429.15

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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.