Home / 161,734.62-223,195.25-89,140.10

Finding the Fourth Proportional to 161,734.62, 223,195.25 and 89,140.10

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Solution

The fourth proportional to 161,734.62, 223,195.25 and 89,140.10 is: 123,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,734.62 : 223,195.25 = 89,140.10 : x
  2. Step 2: Convert to fraction form
    161,734.62/223,195.25 = 89,140.10/x
  3. Step 3: Cross multiply
    161,734.62x = 223,195.25 × 89,140.10
  4. Step 4: Simplify right side
    161,734.62x = 19,895,645,509.99
  5. Step 5: Solve for x
    x = 19,895,645,509.99/161,734.62
  6. Step 6: Final answer
    x = 123,014.14

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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.