Home / 208,521.06-312,539.59-95,964.94

Finding the Fourth Proportional to 208,521.06, 312,539.59 and 95,964.94

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Solution

The fourth proportional to 208,521.06, 312,539.59 and 95,964.94 is: 143,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,521.06 : 312,539.59 = 95,964.94 : x
  2. Step 2: Convert to fraction form
    208,521.06/312,539.59 = 95,964.94/x
  3. Step 3: Cross multiply
    208,521.06x = 312,539.59 × 95,964.94
  4. Step 4: Simplify right side
    208,521.06x = 29,992,843,001.97
  5. Step 5: Solve for x
    x = 29,992,843,001.97/208,521.06
  6. Step 6: Final answer
    x = 143,836.04

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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.