Home / 143,767.26-198,399.63-83,373.75

Finding the Fourth Proportional to 143,767.26, 198,399.63 and 83,373.75

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Solution

The fourth proportional to 143,767.26, 198,399.63 and 83,373.75 is: 115,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,767.26 : 198,399.63 = 83,373.75 : x
  2. Step 2: Convert to fraction form
    143,767.26/198,399.63 = 83,373.75/x
  3. Step 3: Cross multiply
    143,767.26x = 198,399.63 × 83,373.75
  4. Step 4: Simplify right side
    143,767.26x = 16,541,321,151.71
  5. Step 5: Solve for x
    x = 16,541,321,151.71/143,767.26
  6. Step 6: Final answer
    x = 115,056.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.