Home / 108,408.48-162,611.79-84,735.92

Finding the Fourth Proportional to 108,408.48, 162,611.79 and 84,735.92

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Solution

The fourth proportional to 108,408.48, 162,611.79 and 84,735.92 is: 127,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,408.48 : 162,611.79 = 84,735.92 : x
  2. Step 2: Convert to fraction form
    108,408.48/162,611.79 = 84,735.92/x
  3. Step 3: Cross multiply
    108,408.48x = 162,611.79 × 84,735.92
  4. Step 4: Simplify right side
    108,408.48x = 13,779,060,432.23
  5. Step 5: Solve for x
    x = 13,779,060,432.23/108,408.48
  6. Step 6: Final answer
    x = 127,103.15

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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.