Home / 234,730.16-323,918.88-139,179.68

Finding the Fourth Proportional to 234,730.16, 323,918.88 and 139,179.68

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Solution

The fourth proportional to 234,730.16, 323,918.88 and 139,179.68 is: 192,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,730.16 : 323,918.88 = 139,179.68 : x
  2. Step 2: Convert to fraction form
    234,730.16/323,918.88 = 139,179.68/x
  3. Step 3: Cross multiply
    234,730.16x = 323,918.88 × 139,179.68
  4. Step 4: Simplify right side
    234,730.16x = 45,082,926,064.36
  5. Step 5: Solve for x
    x = 45,082,926,064.36/234,730.16
  6. Step 6: Final answer
    x = 192,062.78

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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.