Home / 179,699.85-247,982.72-99,135.09

Finding the Fourth Proportional to 179,699.85, 247,982.72 and 99,135.09

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Solution

The fourth proportional to 179,699.85, 247,982.72 and 99,135.09 is: 136,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,699.85 : 247,982.72 = 99,135.09 : x
  2. Step 2: Convert to fraction form
    179,699.85/247,982.72 = 99,135.09/x
  3. Step 3: Cross multiply
    179,699.85x = 247,982.72 × 99,135.09
  4. Step 4: Simplify right side
    179,699.85x = 24,583,788,769.97
  5. Step 5: Solve for x
    x = 24,583,788,769.97/179,699.85
  6. Step 6: Final answer
    x = 136,804.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.