Home / 103,793.15-155,611.29-43,840.19

Finding the Fourth Proportional to 103,793.15, 155,611.29 and 43,840.19

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Solution

The fourth proportional to 103,793.15, 155,611.29 and 43,840.19 is: 65,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,793.15 : 155,611.29 = 43,840.19 : x
  2. Step 2: Convert to fraction form
    103,793.15/155,611.29 = 43,840.19/x
  3. Step 3: Cross multiply
    103,793.15x = 155,611.29 × 43,840.19
  4. Step 4: Simplify right side
    103,793.15x = 6,822,028,519.75
  5. Step 5: Solve for x
    x = 6,822,028,519.75/103,793.15
  6. Step 6: Final answer
    x = 65,727.16

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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.