Home / 135,023.42-202,488.21-75,143.27

Finding the Fourth Proportional to 135,023.42, 202,488.21 and 75,143.27

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Solution

The fourth proportional to 135,023.42, 202,488.21 and 75,143.27 is: 112,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,023.42 : 202,488.21 = 75,143.27 : x
  2. Step 2: Convert to fraction form
    135,023.42/202,488.21 = 75,143.27/x
  3. Step 3: Cross multiply
    135,023.42x = 202,488.21 × 75,143.27
  4. Step 4: Simplify right side
    135,023.42x = 15,215,626,742.07
  5. Step 5: Solve for x
    x = 15,215,626,742.07/135,023.42
  6. Step 6: Final answer
    x = 112,688.79

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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.