Home / 149,112.92-223,724.28-69,189.14

Finding the Fourth Proportional to 149,112.92, 223,724.28 and 69,189.14

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Solution

The fourth proportional to 149,112.92, 223,724.28 and 69,189.14 is: 103,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,112.92 : 223,724.28 = 69,189.14 : x
  2. Step 2: Convert to fraction form
    149,112.92/223,724.28 = 69,189.14/x
  3. Step 3: Cross multiply
    149,112.92x = 223,724.28 × 69,189.14
  4. Step 4: Simplify right side
    149,112.92x = 15,479,290,530.32
  5. Step 5: Solve for x
    x = 15,479,290,530.32/149,112.92
  6. Step 6: Final answer
    x = 103,809.18

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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.