Home / 149,110.92-223,721.28-69,187.14

Finding the Fourth Proportional to 149,110.92, 223,721.28 and 69,187.14

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Solution

The fourth proportional to 149,110.92, 223,721.28 and 69,187.14 is: 103,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,110.92 : 223,721.28 = 69,187.14 : x
  2. Step 2: Convert to fraction form
    149,110.92/223,721.28 = 69,187.14/x
  3. Step 3: Cross multiply
    149,110.92x = 223,721.28 × 69,187.14
  4. Step 4: Simplify right side
    149,110.92x = 15,478,635,520.34
  5. Step 5: Solve for x
    x = 15,478,635,520.34/149,110.92
  6. Step 6: Final answer
    x = 103,806.18

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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.