Home / 133,578.81-183,967.07-103,252.41

Finding the Fourth Proportional to 133,578.81, 183,967.07 and 103,252.41

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Solution

The fourth proportional to 133,578.81, 183,967.07 and 103,252.41 is: 142,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,578.81 : 183,967.07 = 103,252.41 : x
  2. Step 2: Convert to fraction form
    133,578.81/183,967.07 = 103,252.41/x
  3. Step 3: Cross multiply
    133,578.81x = 183,967.07 × 103,252.41
  4. Step 4: Simplify right side
    133,578.81x = 18,995,042,821.88
  5. Step 5: Solve for x
    x = 18,995,042,821.88/133,578.81
  6. Step 6: Final answer
    x = 142,201.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.