Home / 117,177.20-161,703.16-63,461.20

Finding the Fourth Proportional to 117,177.20, 161,703.16 and 63,461.20

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Solution

The fourth proportional to 117,177.20, 161,703.16 and 63,461.20 is: 87,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,177.20 : 161,703.16 = 63,461.20 : x
  2. Step 2: Convert to fraction form
    117,177.20/161,703.16 = 63,461.20/x
  3. Step 3: Cross multiply
    117,177.20x = 161,703.16 × 63,461.20
  4. Step 4: Simplify right side
    117,177.20x = 10,261,876,577.39
  5. Step 5: Solve for x
    x = 10,261,876,577.39/117,177.20
  6. Step 6: Final answer
    x = 87,575.71

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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.