Home / 112,676.23-155,493.24-61,692.27

Finding the Fourth Proportional to 112,676.23, 155,493.24 and 61,692.27

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Solution

The fourth proportional to 112,676.23, 155,493.24 and 61,692.27 is: 85,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,676.23 : 155,493.24 = 61,692.27 : x
  2. Step 2: Convert to fraction form
    112,676.23/155,493.24 = 61,692.27/x
  3. Step 3: Cross multiply
    112,676.23x = 155,493.24 × 61,692.27
  4. Step 4: Simplify right side
    112,676.23x = 9,592,730,945.25
  5. Step 5: Solve for x
    x = 9,592,730,945.25/112,676.23
  6. Step 6: Final answer
    x = 85,135.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.