Home / 242,769.57-335,022.06-135,337.29

Finding the Fourth Proportional to 242,769.57, 335,022.06 and 135,337.29

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Solution

The fourth proportional to 242,769.57, 335,022.06 and 135,337.29 is: 186,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,769.57 : 335,022.06 = 135,337.29 : x
  2. Step 2: Convert to fraction form
    242,769.57/335,022.06 = 135,337.29/x
  3. Step 3: Cross multiply
    242,769.57x = 335,022.06 × 135,337.29
  4. Step 4: Simplify right side
    242,769.57x = 45,340,977,690.62
  5. Step 5: Solve for x
    x = 45,340,977,690.62/242,769.57
  6. Step 6: Final answer
    x = 186,765.49

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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.