Home / 181,819.56-272,842.92-69,509.28

Finding the Fourth Proportional to 181,819.56, 272,842.92 and 69,509.28

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Solution

The fourth proportional to 181,819.56, 272,842.92 and 69,509.28 is: 104,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,819.56 : 272,842.92 = 69,509.28 : x
  2. Step 2: Convert to fraction form
    181,819.56/272,842.92 = 69,509.28/x
  3. Step 3: Cross multiply
    181,819.56x = 272,842.92 × 69,509.28
  4. Step 4: Simplify right side
    181,819.56x = 18,965,114,922.30
  5. Step 5: Solve for x
    x = 18,965,114,922.30/181,819.56
  6. Step 6: Final answer
    x = 104,307.34

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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.