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Finding the Fourth Proportional to 149,037.62, 223,556.42 and 43,856.62

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Solution

The fourth proportional to 149,037.62, 223,556.42 and 43,856.62 is: 65,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,037.62 : 223,556.42 = 43,856.62 : x
  2. Step 2: Convert to fraction form
    149,037.62/223,556.42 = 43,856.62/x
  3. Step 3: Cross multiply
    149,037.62x = 223,556.42 × 43,856.62
  4. Step 4: Simplify right side
    149,037.62x = 9,804,428,960.50
  5. Step 5: Solve for x
    x = 9,804,428,960.50/149,037.62
  6. Step 6: Final answer
    x = 65,784.93

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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.