Home / 104,259.79-156,638.96-66,893.26

Finding the Fourth Proportional to 104,259.79, 156,638.96 and 66,893.26

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Solution

The fourth proportional to 104,259.79, 156,638.96 and 66,893.26 is: 100,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,259.79 : 156,638.96 = 66,893.26 : x
  2. Step 2: Convert to fraction form
    104,259.79/156,638.96 = 66,893.26/x
  3. Step 3: Cross multiply
    104,259.79x = 156,638.96 × 66,893.26
  4. Step 4: Simplify right side
    104,259.79x = 10,478,090,677.41
  5. Step 5: Solve for x
    x = 10,478,090,677.41/104,259.79
  6. Step 6: Final answer
    x = 100,499.83

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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.