Home / 89,239.83-133,816.68-51,809.32

Finding the Fourth Proportional to 89,239.83, 133,816.68 and 51,809.32

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Solution

The fourth proportional to 89,239.83, 133,816.68 and 51,809.32 is: 77,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,239.83 : 133,816.68 = 51,809.32 : x
  2. Step 2: Convert to fraction form
    89,239.83/133,816.68 = 51,809.32/x
  3. Step 3: Cross multiply
    89,239.83x = 133,816.68 × 51,809.32
  4. Step 4: Simplify right side
    89,239.83x = 6,932,951,195.46
  5. Step 5: Solve for x
    x = 6,932,951,195.46/89,239.83
  6. Step 6: Final answer
    x = 77,688.98

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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.