Home / 209,571.29-314,109.38-89,593.14

Finding the Fourth Proportional to 209,571.29, 314,109.38 and 89,593.14

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Solution

The fourth proportional to 209,571.29, 314,109.38 and 89,593.14 is: 134,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,571.29 : 314,109.38 = 89,593.14 : x
  2. Step 2: Convert to fraction form
    209,571.29/314,109.38 = 89,593.14/x
  3. Step 3: Cross multiply
    209,571.29x = 314,109.38 × 89,593.14
  4. Step 4: Simplify right side
    209,571.29x = 28,142,045,209.69
  5. Step 5: Solve for x
    x = 28,142,045,209.69/209,571.29
  6. Step 6: Final answer
    x = 134,283.88

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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.