Home / 145,874.90-218,817.22-40,685.06

Finding the Fourth Proportional to 145,874.90, 218,817.22 and 40,685.06

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Solution

The fourth proportional to 145,874.90, 218,817.22 and 40,685.06 is: 61,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,874.90 : 218,817.22 = 40,685.06 : x
  2. Step 2: Convert to fraction form
    145,874.90/218,817.22 = 40,685.06/x
  3. Step 3: Cross multiply
    145,874.90x = 218,817.22 × 40,685.06
  4. Step 4: Simplify right side
    145,874.90x = 8,902,591,724.73
  5. Step 5: Solve for x
    x = 8,902,591,724.73/145,874.90
  6. Step 6: Final answer
    x = 61,028.95

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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.