Home / 133,264.08-199,896.36-39,769.86

Finding the Fourth Proportional to 133,264.08, 199,896.36 and 39,769.86

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Solution

The fourth proportional to 133,264.08, 199,896.36 and 39,769.86 is: 59,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,264.08 : 199,896.36 = 39,769.86 : x
  2. Step 2: Convert to fraction form
    133,264.08/199,896.36 = 39,769.86/x
  3. Step 3: Cross multiply
    133,264.08x = 199,896.36 × 39,769.86
  4. Step 4: Simplify right side
    133,264.08x = 7,949,850,251.71
  5. Step 5: Solve for x
    x = 7,949,850,251.71/133,264.08
  6. Step 6: Final answer
    x = 59,654.86

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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.