Home / 143,751.23-198,376.91-80,091.26

Finding the Fourth Proportional to 143,751.23, 198,376.91 and 80,091.26

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Solution

The fourth proportional to 143,751.23, 198,376.91 and 80,091.26 is: 110,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,751.23 : 198,376.91 = 80,091.26 : x
  2. Step 2: Convert to fraction form
    143,751.23/198,376.91 = 80,091.26/x
  3. Step 3: Cross multiply
    143,751.23x = 198,376.91 × 80,091.26
  4. Step 4: Simplify right side
    143,751.23x = 15,888,255,284.47
  5. Step 5: Solve for x
    x = 15,888,255,284.47/143,751.23
  6. Step 6: Final answer
    x = 110,526.05

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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.