Home / 208,206.70-312,263.31-95,778.94

Finding the Fourth Proportional to 208,206.70, 312,263.31 and 95,778.94

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Solution

The fourth proportional to 208,206.70, 312,263.31 and 95,778.94 is: 143,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,206.70 : 312,263.31 = 95,778.94 : x
  2. Step 2: Convert to fraction form
    208,206.70/312,263.31 = 95,778.94/x
  3. Step 3: Cross multiply
    208,206.70x = 312,263.31 × 95,778.94
  4. Step 4: Simplify right side
    208,206.70x = 29,908,248,832.69
  5. Step 5: Solve for x
    x = 29,908,248,832.69/208,206.70
  6. Step 6: Final answer
    x = 143,646.91

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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.