Home / 239,628.08-359,495.04-71,162.12

Finding the Fourth Proportional to 239,628.08, 359,495.04 and 71,162.12

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Solution

The fourth proportional to 239,628.08, 359,495.04 and 71,162.12 is: 106,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,628.08 : 359,495.04 = 71,162.12 : x
  2. Step 2: Convert to fraction form
    239,628.08/359,495.04 = 71,162.12/x
  3. Step 3: Cross multiply
    239,628.08x = 359,495.04 × 71,162.12
  4. Step 4: Simplify right side
    239,628.08x = 25,582,429,175.88
  5. Step 5: Solve for x
    x = 25,582,429,175.88/239,628.08
  6. Step 6: Final answer
    x = 106,758.90

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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.