Home / 136,185.51-204,311.07-42,691.26

Finding the Fourth Proportional to 136,185.51, 204,311.07 and 42,691.26

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Solution

The fourth proportional to 136,185.51, 204,311.07 and 42,691.26 is: 64,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,185.51 : 204,311.07 = 42,691.26 : x
  2. Step 2: Convert to fraction form
    136,185.51/204,311.07 = 42,691.26/x
  3. Step 3: Cross multiply
    136,185.51x = 204,311.07 × 42,691.26
  4. Step 4: Simplify right side
    136,185.51x = 8,722,297,010.25
  5. Step 5: Solve for x
    x = 8,722,297,010.25/136,185.51
  6. Step 6: Final answer
    x = 64,047.17

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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.