Home / 209,824.62-314,781.69-67,677.89

Finding the Fourth Proportional to 209,824.62, 314,781.69 and 67,677.89

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Solution

The fourth proportional to 209,824.62, 314,781.69 and 67,677.89 is: 101,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,824.62 : 314,781.69 = 67,677.89 : x
  2. Step 2: Convert to fraction form
    209,824.62/314,781.69 = 67,677.89/x
  3. Step 3: Cross multiply
    209,824.62x = 314,781.69 × 67,677.89
  4. Step 4: Simplify right side
    209,824.62x = 21,303,759,015.93
  5. Step 5: Solve for x
    x = 21,303,759,015.93/209,824.62
  6. Step 6: Final answer
    x = 101,531.26

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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.