Home / 181,427.10-272,140.65-102,695.10

Finding the Fourth Proportional to 181,427.10, 272,140.65 and 102,695.10

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Solution

The fourth proportional to 181,427.10, 272,140.65 and 102,695.10 is: 154,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,427.10 : 272,140.65 = 102,695.10 : x
  2. Step 2: Convert to fraction form
    181,427.10/272,140.65 = 102,695.10/x
  3. Step 3: Cross multiply
    181,427.10x = 272,140.65 × 102,695.10
  4. Step 4: Simplify right side
    181,427.10x = 27,947,511,265.82
  5. Step 5: Solve for x
    x = 27,947,511,265.82/181,427.10
  6. Step 6: Final answer
    x = 154,042.65

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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.