Home / 169,632.43-254,454.26-85,346.46

Finding the Fourth Proportional to 169,632.43, 254,454.26 and 85,346.46

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Solution

The fourth proportional to 169,632.43, 254,454.26 and 85,346.46 is: 128,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,632.43 : 254,454.26 = 85,346.46 : x
  2. Step 2: Convert to fraction form
    169,632.43/254,454.26 = 85,346.46/x
  3. Step 3: Cross multiply
    169,632.43x = 254,454.26 × 85,346.46
  4. Step 4: Simplify right side
    169,632.43x = 21,716,770,376.26
  5. Step 5: Solve for x
    x = 21,716,770,376.26/169,632.43
  6. Step 6: Final answer
    x = 128,022.52

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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.