Home / 143,264.26-214,939.32-57,831.13

Finding the Fourth Proportional to 143,264.26, 214,939.32 and 57,831.13

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Solution

The fourth proportional to 143,264.26, 214,939.32 and 57,831.13 is: 86,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,264.26 : 214,939.32 = 57,831.13 : x
  2. Step 2: Convert to fraction form
    143,264.26/214,939.32 = 57,831.13/x
  3. Step 3: Cross multiply
    143,264.26x = 214,939.32 × 57,831.13
  4. Step 4: Simplify right side
    143,264.26x = 12,430,183,757.03
  5. Step 5: Solve for x
    x = 12,430,183,757.03/143,264.26
  6. Step 6: Final answer
    x = 86,764.02

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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.