Home / 107,218.20-160,778.70-40,636.20

Finding the Fourth Proportional to 107,218.20, 160,778.70 and 40,636.20

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Solution

The fourth proportional to 107,218.20, 160,778.70 and 40,636.20 is: 60,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,218.20 : 160,778.70 = 40,636.20 : x
  2. Step 2: Convert to fraction form
    107,218.20/160,778.70 = 40,636.20/x
  3. Step 3: Cross multiply
    107,218.20x = 160,778.70 × 40,636.20
  4. Step 4: Simplify right side
    107,218.20x = 6,533,435,408.94
  5. Step 5: Solve for x
    x = 6,533,435,408.94/107,218.20
  6. Step 6: Final answer
    x = 60,935.88

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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.