Home / 243,008.08-335,335.43-134,113.39

Finding the Fourth Proportional to 243,008.08, 335,335.43 and 134,113.39

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Solution

The fourth proportional to 243,008.08, 335,335.43 and 134,113.39 is: 185,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,008.08 : 335,335.43 = 134,113.39 : x
  2. Step 2: Convert to fraction form
    243,008.08/335,335.43 = 134,113.39/x
  3. Step 3: Cross multiply
    243,008.08x = 335,335.43 × 134,113.39
  4. Step 4: Simplify right side
    243,008.08x = 44,972,970,801.35
  5. Step 5: Solve for x
    x = 44,972,970,801.35/243,008.08
  6. Step 6: Final answer
    x = 185,067.80

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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.