Home / 140,198.38-210,266.13-40,336.30

Finding the Fourth Proportional to 140,198.38, 210,266.13 and 40,336.30

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Solution

The fourth proportional to 140,198.38, 210,266.13 and 40,336.30 is: 60,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,198.38 : 210,266.13 = 40,336.30 : x
  2. Step 2: Convert to fraction form
    140,198.38/210,266.13 = 40,336.30/x
  3. Step 3: Cross multiply
    140,198.38x = 210,266.13 × 40,336.30
  4. Step 4: Simplify right side
    140,198.38x = 8,481,357,699.52
  5. Step 5: Solve for x
    x = 8,481,357,699.52/140,198.38
  6. Step 6: Final answer
    x = 60,495.40

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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.