Home / 140,214.03-210,322.86-40,375.86

Finding the Fourth Proportional to 140,214.03, 210,322.86 and 40,375.86

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Solution

The fourth proportional to 140,214.03, 210,322.86 and 40,375.86 is: 60,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,214.03 : 210,322.86 = 40,375.86 : x
  2. Step 2: Convert to fraction form
    140,214.03/210,322.86 = 40,375.86/x
  3. Step 3: Cross multiply
    140,214.03x = 210,322.86 × 40,375.86
  4. Step 4: Simplify right side
    140,214.03x = 8,491,966,350.16
  5. Step 5: Solve for x
    x = 8,491,966,350.16/140,214.03
  6. Step 6: Final answer
    x = 60,564.31

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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.