Home / 156,111.55-234,098.07-71,851.30

Finding the Fourth Proportional to 156,111.55, 234,098.07 and 71,851.30

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Solution

The fourth proportional to 156,111.55, 234,098.07 and 71,851.30 is: 107,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,111.55 : 234,098.07 = 71,851.30 : x
  2. Step 2: Convert to fraction form
    156,111.55/234,098.07 = 71,851.30/x
  3. Step 3: Cross multiply
    156,111.55x = 234,098.07 × 71,851.30
  4. Step 4: Simplify right side
    156,111.55x = 16,820,250,656.99
  5. Step 5: Solve for x
    x = 16,820,250,656.99/156,111.55
  6. Step 6: Final answer
    x = 107,745.07

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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.