Home / 156,197.08-234,107.84-71,841

Finding the Fourth Proportional to 156,197.08, 234,107.84 and 71,841

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Solution

The fourth proportional to 156,197.08, 234,107.84 and 71,841 is: 107,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,197.08 : 234,107.84 = 71,841 : x
  2. Step 2: Convert to fraction form
    156,197.08/234,107.84 = 71,841/x
  3. Step 3: Cross multiply
    156,197.08x = 234,107.84 × 71,841
  4. Step 4: Simplify right side
    156,197.08x = 16,818,541,333.44
  5. Step 5: Solve for x
    x = 16,818,541,333.44/156,197.08
  6. Step 6: Final answer
    x = 107,675.13

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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.