Home / 234,648.03-352,037.64-76,987.20

Finding the Fourth Proportional to 234,648.03, 352,037.64 and 76,987.20

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Solution

The fourth proportional to 234,648.03, 352,037.64 and 76,987.20 is: 115,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,648.03 : 352,037.64 = 76,987.20 : x
  2. Step 2: Convert to fraction form
    234,648.03/352,037.64 = 76,987.20/x
  3. Step 3: Cross multiply
    234,648.03x = 352,037.64 × 76,987.20
  4. Step 4: Simplify right side
    234,648.03x = 27,102,392,198.21
  5. Step 5: Solve for x
    x = 27,102,392,198.21/234,648.03
  6. Step 6: Final answer
    x = 115,502.32

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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.