Home / 140,142.20-210,213.30-41,646.20

Finding the Fourth Proportional to 140,142.20, 210,213.30 and 41,646.20

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Solution

The fourth proportional to 140,142.20, 210,213.30 and 41,646.20 is: 62,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,142.20 : 210,213.30 = 41,646.20 : x
  2. Step 2: Convert to fraction form
    140,142.20/210,213.30 = 41,646.20/x
  3. Step 3: Cross multiply
    140,142.20x = 210,213.30 × 41,646.20
  4. Step 4: Simplify right side
    140,142.20x = 8,754,585,134.46
  5. Step 5: Solve for x
    x = 8,754,585,134.46/140,142.20
  6. Step 6: Final answer
    x = 62,469.30

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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.