Home / 149,378.20-223,419.30-133,696.60

Finding the Fourth Proportional to 149,378.20, 223,419.30 and 133,696.60

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Solution

The fourth proportional to 149,378.20, 223,419.30 and 133,696.60 is: 199,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,378.20 : 223,419.30 = 133,696.60 : x
  2. Step 2: Convert to fraction form
    149,378.20/223,419.30 = 133,696.60/x
  3. Step 3: Cross multiply
    149,378.20x = 223,419.30 × 133,696.60
  4. Step 4: Simplify right side
    149,378.20x = 29,870,400,784.38
  5. Step 5: Solve for x
    x = 29,870,400,784.38/149,378.20
  6. Step 6: Final answer
    x = 199,964.93

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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.