Home / 209,416.73-314,006.09-142,937.33

Finding the Fourth Proportional to 209,416.73, 314,006.09 and 142,937.33

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Solution

The fourth proportional to 209,416.73, 314,006.09 and 142,937.33 is: 214,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,416.73 : 314,006.09 = 142,937.33 : x
  2. Step 2: Convert to fraction form
    209,416.73/314,006.09 = 142,937.33/x
  3. Step 3: Cross multiply
    209,416.73x = 314,006.09 × 142,937.33
  4. Step 4: Simplify right side
    209,416.73x = 44,883,189,823.62
  5. Step 5: Solve for x
    x = 44,883,189,823.62/209,416.73
  6. Step 6: Final answer
    x = 214,324.76

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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.