Home / 172,420.11-237,884.31-104,415.30

Finding the Fourth Proportional to 172,420.11, 237,884.31 and 104,415.30

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Solution

The fourth proportional to 172,420.11, 237,884.31 and 104,415.30 is: 144,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,420.11 : 237,884.31 = 104,415.30 : x
  2. Step 2: Convert to fraction form
    172,420.11/237,884.31 = 104,415.30/x
  3. Step 3: Cross multiply
    172,420.11x = 237,884.31 × 104,415.30
  4. Step 4: Simplify right side
    172,420.11x = 24,838,761,593.94
  5. Step 5: Solve for x
    x = 24,838,761,593.94/172,420.11
  6. Step 6: Final answer
    x = 144,059.54

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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.