Home / 243,351.10-335,837.64-135,923.50

Finding the Fourth Proportional to 243,351.10, 335,837.64 and 135,923.50

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Solution

The fourth proportional to 243,351.10, 335,837.64 and 135,923.50 is: 187,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,351.10 : 335,837.64 = 135,923.50 : x
  2. Step 2: Convert to fraction form
    243,351.10/335,837.64 = 135,923.50/x
  3. Step 3: Cross multiply
    243,351.10x = 335,837.64 × 135,923.50
  4. Step 4: Simplify right side
    243,351.10x = 45,648,227,460.54
  5. Step 5: Solve for x
    x = 45,648,227,460.54/243,351.10
  6. Step 6: Final answer
    x = 187,581.76

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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.