Home / 103,479.06-155,910.06-93,495.41

Finding the Fourth Proportional to 103,479.06, 155,910.06 and 93,495.41

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Solution

The fourth proportional to 103,479.06, 155,910.06 and 93,495.41 is: 140,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,479.06 : 155,910.06 = 93,495.41 : x
  2. Step 2: Convert to fraction form
    103,479.06/155,910.06 = 93,495.41/x
  3. Step 3: Cross multiply
    103,479.06x = 155,910.06 × 93,495.41
  4. Step 4: Simplify right side
    103,479.06x = 14,576,874,982.82
  5. Step 5: Solve for x
    x = 14,576,874,982.82/103,479.06
  6. Step 6: Final answer
    x = 140,867.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.