Home / 235,158.06-352,857.69-115,212.72

Finding the Fourth Proportional to 235,158.06, 352,857.69 and 115,212.72

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Solution

The fourth proportional to 235,158.06, 352,857.69 and 115,212.72 is: 172,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,158.06 : 352,857.69 = 115,212.72 : x
  2. Step 2: Convert to fraction form
    235,158.06/352,857.69 = 115,212.72/x
  3. Step 3: Cross multiply
    235,158.06x = 352,857.69 × 115,212.72
  4. Step 4: Simplify right side
    235,158.06x = 40,653,694,237.82
  5. Step 5: Solve for x
    x = 40,653,694,237.82/235,158.06
  6. Step 6: Final answer
    x = 172,878.17

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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.