Home / 89,202.44-133,815.90-51,780.08

Finding the Fourth Proportional to 89,202.44, 133,815.90 and 51,780.08

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Solution

The fourth proportional to 89,202.44, 133,815.90 and 51,780.08 is: 77,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,202.44 : 133,815.90 = 51,780.08 : x
  2. Step 2: Convert to fraction form
    89,202.44/133,815.90 = 51,780.08/x
  3. Step 3: Cross multiply
    89,202.44x = 133,815.90 × 51,780.08
  4. Step 4: Simplify right side
    89,202.44x = 6,928,998,007.27
  5. Step 5: Solve for x
    x = 6,928,998,007.27/89,202.44
  6. Step 6: Final answer
    x = 77,677.23

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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.