Home / 170,159.40-254,850.66-81,475.56

Finding the Fourth Proportional to 170,159.40, 254,850.66 and 81,475.56

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Solution

The fourth proportional to 170,159.40, 254,850.66 and 81,475.56 is: 122,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,159.40 : 254,850.66 = 81,475.56 : x
  2. Step 2: Convert to fraction form
    170,159.40/254,850.66 = 81,475.56/x
  3. Step 3: Cross multiply
    170,159.40x = 254,850.66 × 81,475.56
  4. Step 4: Simplify right side
    170,159.40x = 20,764,100,239.87
  5. Step 5: Solve for x
    x = 20,764,100,239.87/170,159.40
  6. Step 6: Final answer
    x = 122,027.35

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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.