Home / 104,854.10-157,170.38-75,255.89

Finding the Fourth Proportional to 104,854.10, 157,170.38 and 75,255.89

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Solution

The fourth proportional to 104,854.10, 157,170.38 and 75,255.89 is: 112,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,854.10 : 157,170.38 = 75,255.89 : x
  2. Step 2: Convert to fraction form
    104,854.10/157,170.38 = 75,255.89/x
  3. Step 3: Cross multiply
    104,854.10x = 157,170.38 × 75,255.89
  4. Step 4: Simplify right side
    104,854.10x = 11,827,997,016.68
  5. Step 5: Solve for x
    x = 11,827,997,016.68/104,854.10
  6. Step 6: Final answer
    x = 112,804.33

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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.