Home / 140,023.28-210,006.12-40,161.44

Finding the Fourth Proportional to 140,023.28, 210,006.12 and 40,161.44

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Solution

The fourth proportional to 140,023.28, 210,006.12 and 40,161.44 is: 60,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,023.28 : 210,006.12 = 40,161.44 : x
  2. Step 2: Convert to fraction form
    140,023.28/210,006.12 = 40,161.44/x
  3. Step 3: Cross multiply
    140,023.28x = 210,006.12 × 40,161.44
  4. Step 4: Simplify right side
    140,023.28x = 8,434,148,188.01
  5. Step 5: Solve for x
    x = 8,434,148,188.01/140,023.28
  6. Step 6: Final answer
    x = 60,233.90

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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.