Home / 136,501.38-204,768.48-129,036.42

Finding the Fourth Proportional to 136,501.38, 204,768.48 and 129,036.42

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Solution

The fourth proportional to 136,501.38, 204,768.48 and 129,036.42 is: 193,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,501.38 : 204,768.48 = 129,036.42 : x
  2. Step 2: Convert to fraction form
    136,501.38/204,768.48 = 129,036.42/x
  3. Step 3: Cross multiply
    136,501.38x = 204,768.48 × 129,036.42
  4. Step 4: Simplify right side
    136,501.38x = 26,422,591,588.04
  5. Step 5: Solve for x
    x = 26,422,591,588.04/136,501.38
  6. Step 6: Final answer
    x = 193,570.14

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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.