Home / 170,079.30-254,949.66-81,228.96

Finding the Fourth Proportional to 170,079.30, 254,949.66 and 81,228.96

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Solution

The fourth proportional to 170,079.30, 254,949.66 and 81,228.96 is: 121,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,079.30 : 254,949.66 = 81,228.96 : x
  2. Step 2: Convert to fraction form
    170,079.30/254,949.66 = 81,228.96/x
  3. Step 3: Cross multiply
    170,079.30x = 254,949.66 × 81,228.96
  4. Step 4: Simplify right side
    170,079.30x = 20,709,295,734.15
  5. Step 5: Solve for x
    x = 20,709,295,734.15/170,079.30
  6. Step 6: Final answer
    x = 121,762.59

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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.