Home / 117,679.68-162,398.26-63,964.60

Finding the Fourth Proportional to 117,679.68, 162,398.26 and 63,964.60

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Solution

The fourth proportional to 117,679.68, 162,398.26 and 63,964.60 is: 88,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,679.68 : 162,398.26 = 63,964.60 : x
  2. Step 2: Convert to fraction form
    117,679.68/162,398.26 = 63,964.60/x
  3. Step 3: Cross multiply
    117,679.68x = 162,398.26 × 63,964.60
  4. Step 4: Simplify right side
    117,679.68x = 10,387,739,741.60
  5. Step 5: Solve for x
    x = 10,387,739,741.60/117,679.68
  6. Step 6: Final answer
    x = 88,271.31

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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.