Home / 242,757.07-335,004.81-135,324.79

Finding the Fourth Proportional to 242,757.07, 335,004.81 and 135,324.79

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Solution

The fourth proportional to 242,757.07, 335,004.81 and 135,324.79 is: 186,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,757.07 : 335,004.81 = 135,324.79 : x
  2. Step 2: Convert to fraction form
    242,757.07/335,004.81 = 135,324.79/x
  3. Step 3: Cross multiply
    242,757.07x = 335,004.81 × 135,324.79
  4. Step 4: Simplify right side
    242,757.07x = 45,334,455,562.24
  5. Step 5: Solve for x
    x = 45,334,455,562.24/242,757.07
  6. Step 6: Final answer
    x = 186,748.24

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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.