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Finding the Fourth Proportional to 149,103.65, 223,654.43 and 60,355.87

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Solution

The fourth proportional to 149,103.65, 223,654.43 and 60,355.87 is: 90,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,103.65 : 223,654.43 = 60,355.87 : x
  2. Step 2: Convert to fraction form
    149,103.65/223,654.43 = 60,355.87/x
  3. Step 3: Cross multiply
    149,103.65x = 223,654.43 × 60,355.87
  4. Step 4: Simplify right side
    149,103.65x = 13,498,857,293.76
  5. Step 5: Solve for x
    x = 13,498,857,293.76/149,103.65
  6. Step 6: Final answer
    x = 90,533.38

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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.