Home / 143,587.62-198,147.66-89,902.26

Finding the Fourth Proportional to 143,587.62, 198,147.66 and 89,902.26

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Solution

The fourth proportional to 143,587.62, 198,147.66 and 89,902.26 is: 124,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,587.62 : 198,147.66 = 89,902.26 : x
  2. Step 2: Convert to fraction form
    143,587.62/198,147.66 = 89,902.26/x
  3. Step 3: Cross multiply
    143,587.62x = 198,147.66 × 89,902.26
  4. Step 4: Simplify right side
    143,587.62x = 17,813,922,447.71
  5. Step 5: Solve for x
    x = 17,813,922,447.71/143,587.62
  6. Step 6: Final answer
    x = 124,063.08

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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.