Home / 208,275.09-312,162.30-95,800.38

Finding the Fourth Proportional to 208,275.09, 312,162.30 and 95,800.38

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Solution

The fourth proportional to 208,275.09, 312,162.30 and 95,800.38 is: 143,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,275.09 : 312,162.30 = 95,800.38 : x
  2. Step 2: Convert to fraction form
    208,275.09/312,162.30 = 95,800.38/x
  3. Step 3: Cross multiply
    208,275.09x = 312,162.30 × 95,800.38
  4. Step 4: Simplify right side
    208,275.09x = 29,905,266,961.67
  5. Step 5: Solve for x
    x = 29,905,266,961.67/208,275.09
  6. Step 6: Final answer
    x = 143,585.42

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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.