Home / 107,820.20-161,759.10-96,213.80

Finding the Fourth Proportional to 107,820.20, 161,759.10 and 96,213.80

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Solution

The fourth proportional to 107,820.20, 161,759.10 and 96,213.80 is: 144,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,820.20 : 161,759.10 = 96,213.80 : x
  2. Step 2: Convert to fraction form
    107,820.20/161,759.10 = 96,213.80/x
  3. Step 3: Cross multiply
    107,820.20x = 161,759.10 × 96,213.80
  4. Step 4: Simplify right side
    107,820.20x = 15,563,457,695.58
  5. Step 5: Solve for x
    x = 15,563,457,695.58/107,820.20
  6. Step 6: Final answer
    x = 144,346.40

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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.