Home / 104,572.18-156,845.31-61,903

Finding the Fourth Proportional to 104,572.18, 156,845.31 and 61,903

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Solution

The fourth proportional to 104,572.18, 156,845.31 and 61,903 is: 92,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,572.18 : 156,845.31 = 61,903 : x
  2. Step 2: Convert to fraction form
    104,572.18/156,845.31 = 61,903/x
  3. Step 3: Cross multiply
    104,572.18x = 156,845.31 × 61,903
  4. Step 4: Simplify right side
    104,572.18x = 9,709,195,224.93
  5. Step 5: Solve for x
    x = 9,709,195,224.93/104,572.18
  6. Step 6: Final answer
    x = 92,846.83

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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.