Home / 103,257.26-154,942.33-40,079.89

Finding the Fourth Proportional to 103,257.26, 154,942.33 and 40,079.89

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Solution

The fourth proportional to 103,257.26, 154,942.33 and 40,079.89 is: 60,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,257.26 : 154,942.33 = 40,079.89 : x
  2. Step 2: Convert to fraction form
    103,257.26/154,942.33 = 40,079.89/x
  3. Step 3: Cross multiply
    103,257.26x = 154,942.33 × 40,079.89
  4. Step 4: Simplify right side
    103,257.26x = 6,210,071,542.74
  5. Step 5: Solve for x
    x = 6,210,071,542.74/103,257.26
  6. Step 6: Final answer
    x = 60,141.74

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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.