Home / 103,726-155,554.30-40,529.73

Finding the Fourth Proportional to 103,726, 155,554.30 and 40,529.73

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Solution

The fourth proportional to 103,726, 155,554.30 and 40,529.73 is: 60,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,726 : 155,554.30 = 40,529.73 : x
  2. Step 2: Convert to fraction form
    103,726/155,554.30 = 40,529.73/x
  3. Step 3: Cross multiply
    103,726x = 155,554.30 × 40,529.73
  4. Step 4: Simplify right side
    103,726x = 6,304,573,779.34
  5. Step 5: Solve for x
    x = 6,304,573,779.34/103,726
  6. Step 6: Final answer
    x = 60,781.04

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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.