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Finding the Fourth Proportional to 148,779.95, 223,202.73 and 48,936.11

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Solution

The fourth proportional to 148,779.95, 223,202.73 and 48,936.11 is: 73,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,779.95 : 223,202.73 = 48,936.11 : x
  2. Step 2: Convert to fraction form
    148,779.95/223,202.73 = 48,936.11/x
  3. Step 3: Cross multiply
    148,779.95x = 223,202.73 × 48,936.11
  4. Step 4: Simplify right side
    148,779.95x = 10,922,673,347.58
  5. Step 5: Solve for x
    x = 10,922,673,347.58/148,779.95
  6. Step 6: Final answer
    x = 73,414.96

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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.