Home / 105,091.22-157,720.89-55,200.74

Finding the Fourth Proportional to 105,091.22, 157,720.89 and 55,200.74

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Solution

The fourth proportional to 105,091.22, 157,720.89 and 55,200.74 is: 82,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,091.22 : 157,720.89 = 55,200.74 : x
  2. Step 2: Convert to fraction form
    105,091.22/157,720.89 = 55,200.74/x
  3. Step 3: Cross multiply
    105,091.22x = 157,720.89 × 55,200.74
  4. Step 4: Simplify right side
    105,091.22x = 8,706,309,052.85
  5. Step 5: Solve for x
    x = 8,706,309,052.85/105,091.22
  6. Step 6: Final answer
    x = 82,845.26

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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.