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Finding the Fourth Proportional to 149,073.66, 223,533.45 and 43,879.02

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Solution

The fourth proportional to 149,073.66, 223,533.45 and 43,879.02 is: 65,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,073.66 : 223,533.45 = 43,879.02 : x
  2. Step 2: Convert to fraction form
    149,073.66/223,533.45 = 43,879.02/x
  3. Step 3: Cross multiply
    149,073.66x = 223,533.45 × 43,879.02
  4. Step 4: Simplify right side
    149,073.66x = 9,808,428,723.22
  5. Step 5: Solve for x
    x = 9,808,428,723.22/149,073.66
  6. Step 6: Final answer
    x = 65,795.85

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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.