Home / 272,607.04-408,957.33-104,142.43

Finding the Fourth Proportional to 272,607.04, 408,957.33 and 104,142.43

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Solution

The fourth proportional to 272,607.04, 408,957.33 and 104,142.43 is: 156,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,607.04 : 408,957.33 = 104,142.43 : x
  2. Step 2: Convert to fraction form
    272,607.04/408,957.33 = 104,142.43/x
  3. Step 3: Cross multiply
    272,607.04x = 408,957.33 × 104,142.43
  4. Step 4: Simplify right side
    272,607.04x = 42,589,810,112.51
  5. Step 5: Solve for x
    x = 42,589,810,112.51/272,607.04
  6. Step 6: Final answer
    x = 156,231.51

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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.