Home / 107,850.20-161,775.30-104,221.40

Finding the Fourth Proportional to 107,850.20, 161,775.30 and 104,221.40

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Solution

The fourth proportional to 107,850.20, 161,775.30 and 104,221.40 is: 156,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,850.20 : 161,775.30 = 104,221.40 : x
  2. Step 2: Convert to fraction form
    107,850.20/161,775.30 = 104,221.40/x
  3. Step 3: Cross multiply
    107,850.20x = 161,775.30 × 104,221.40
  4. Step 4: Simplify right side
    107,850.20x = 16,860,448,251.42
  5. Step 5: Solve for x
    x = 16,860,448,251.42/107,850.20
  6. Step 6: Final answer
    x = 156,332.10

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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.