Home / 104,190.30-156,225.11-91,735.34

Finding the Fourth Proportional to 104,190.30, 156,225.11 and 91,735.34

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Solution

The fourth proportional to 104,190.30, 156,225.11 and 91,735.34 is: 137,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,190.30 : 156,225.11 = 91,735.34 : x
  2. Step 2: Convert to fraction form
    104,190.30/156,225.11 = 91,735.34/x
  3. Step 3: Cross multiply
    104,190.30x = 156,225.11 × 91,735.34
  4. Step 4: Simplify right side
    104,190.30x = 14,331,362,342.59
  5. Step 5: Solve for x
    x = 14,331,362,342.59/104,190.30
  6. Step 6: Final answer
    x = 137,549.87

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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.