Home / 242,849.16-335,132.91-135,418.86

Finding the Fourth Proportional to 242,849.16, 335,132.91 and 135,418.86

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Solution

The fourth proportional to 242,849.16, 335,132.91 and 135,418.86 is: 186,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,849.16 : 335,132.91 = 135,418.86 : x
  2. Step 2: Convert to fraction form
    242,849.16/335,132.91 = 135,418.86/x
  3. Step 3: Cross multiply
    242,849.16x = 335,132.91 × 135,418.86
  4. Step 4: Simplify right side
    242,849.16x = 45,383,316,620.68
  5. Step 5: Solve for x
    x = 45,383,316,620.68/242,849.16
  6. Step 6: Final answer
    x = 186,878.62

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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.