Home / 136,102.30-187,821.00-75,671.04

Finding the Fourth Proportional to 136,102.30, 187,821.00 and 75,671.04

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Solution

The fourth proportional to 136,102.30, 187,821.00 and 75,671.04 is: 104,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,102.30 : 187,821.00 = 75,671.04 : x
  2. Step 2: Convert to fraction form
    136,102.30/187,821.00 = 75,671.04/x
  3. Step 3: Cross multiply
    136,102.30x = 187,821.00 × 75,671.04
  4. Step 4: Simplify right side
    136,102.30x = 14,212,609,983.28
  5. Step 5: Solve for x
    x = 14,212,609,983.28/136,102.30
  6. Step 6: Final answer
    x = 104,425.93

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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.