Home / 242,929.38-335,241.67-135,499.33

Finding the Fourth Proportional to 242,929.38, 335,241.67 and 135,499.33

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Solution

The fourth proportional to 242,929.38, 335,241.67 and 135,499.33 is: 186,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,929.38 : 335,241.67 = 135,499.33 : x
  2. Step 2: Convert to fraction form
    242,929.38/335,241.67 = 135,499.33/x
  3. Step 3: Cross multiply
    242,929.38x = 335,241.67 × 135,499.33
  4. Step 4: Simplify right side
    242,929.38x = 45,425,021,673.08
  5. Step 5: Solve for x
    x = 45,425,021,673.08/242,929.38
  6. Step 6: Final answer
    x = 186,988.59

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1.5x scale

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.