Home / 143,360.26-214,572.46-105,399.48

Finding the Fourth Proportional to 143,360.26, 214,572.46 and 105,399.48

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Solution

The fourth proportional to 143,360.26, 214,572.46 and 105,399.48 is: 157,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,360.26 : 214,572.46 = 105,399.48 : x
  2. Step 2: Convert to fraction form
    143,360.26/214,572.46 = 105,399.48/x
  3. Step 3: Cross multiply
    143,360.26x = 214,572.46 × 105,399.48
  4. Step 4: Simplify right side
    143,360.26x = 22,615,825,706.32
  5. Step 5: Solve for x
    x = 22,615,825,706.32/143,360.26
  6. Step 6: Final answer
    x = 157,755.19

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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.