Home / 242,948.03-335,268.05-135,518.00

Finding the Fourth Proportional to 242,948.03, 335,268.05 and 135,518.00

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Solution

The fourth proportional to 242,948.03, 335,268.05 and 135,518.00 is: 187,014.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,948.03 : 335,268.05 = 135,518.00 : x
  2. Step 2: Convert to fraction form
    242,948.03/335,268.05 = 135,518.00/x
  3. Step 3: Cross multiply
    242,948.03x = 335,268.05 × 135,518.00
  4. Step 4: Simplify right side
    242,948.03x = 45,434,853,245.97
  5. Step 5: Solve for x
    x = 45,434,853,245.97/242,948.03
  6. Step 6: Final answer
    x = 187,014.71

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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.