Home / 208,283.24-312,188.63-95,730.90

Finding the Fourth Proportional to 208,283.24, 312,188.63 and 95,730.90

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Solution

The fourth proportional to 208,283.24, 312,188.63 and 95,730.90 is: 143,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,283.24 : 312,188.63 = 95,730.90 : x
  2. Step 2: Convert to fraction form
    208,283.24/312,188.63 = 95,730.90/x
  3. Step 3: Cross multiply
    208,283.24x = 312,188.63 × 95,730.90
  4. Step 4: Simplify right side
    208,283.24x = 29,886,098,519.67
  5. Step 5: Solve for x
    x = 29,886,098,519.67/208,283.24
  6. Step 6: Final answer
    x = 143,487.78

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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.