Home / 108,338.80-162,191.98-63,221.91

Finding the Fourth Proportional to 108,338.80, 162,191.98 and 63,221.91

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Solution

The fourth proportional to 108,338.80, 162,191.98 and 63,221.91 is: 94,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,338.80 : 162,191.98 = 63,221.91 : x
  2. Step 2: Convert to fraction form
    108,338.80/162,191.98 = 63,221.91/x
  3. Step 3: Cross multiply
    108,338.80x = 162,191.98 × 63,221.91
  4. Step 4: Simplify right side
    108,338.80x = 10,254,086,762.28
  5. Step 5: Solve for x
    x = 10,254,086,762.28/108,338.80
  6. Step 6: Final answer
    x = 94,648.33

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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.