Home / 119,277.80-178,477.94-71,921.96

Finding the Fourth Proportional to 119,277.80, 178,477.94 and 71,921.96

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Solution

The fourth proportional to 119,277.80, 178,477.94 and 71,921.96 is: 107,618.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,277.80 : 178,477.94 = 71,921.96 : x
  2. Step 2: Convert to fraction form
    119,277.80/178,477.94 = 71,921.96/x
  3. Step 3: Cross multiply
    119,277.80x = 178,477.94 × 71,921.96
  4. Step 4: Simplify right side
    119,277.80x = 12,836,483,261.56
  5. Step 5: Solve for x
    x = 12,836,483,261.56/119,277.80
  6. Step 6: Final answer
    x = 107,618.38

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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.