Home / 136,335.96-204,513.66-42,839.64

Finding the Fourth Proportional to 136,335.96, 204,513.66 and 42,839.64

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Solution

The fourth proportional to 136,335.96, 204,513.66 and 42,839.64 is: 64,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,335.96 : 204,513.66 = 42,839.64 : x
  2. Step 2: Convert to fraction form
    136,335.96/204,513.66 = 42,839.64/x
  3. Step 3: Cross multiply
    136,335.96x = 204,513.66 × 42,839.64
  4. Step 4: Simplify right side
    136,335.96x = 8,761,291,569.48
  5. Step 5: Solve for x
    x = 8,761,291,569.48/136,335.96
  6. Step 6: Final answer
    x = 64,262.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.