Home / 109,556.28-164,352.60-38,460.48

Finding the Fourth Proportional to 109,556.28, 164,352.60 and 38,460.48

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Solution

The fourth proportional to 109,556.28, 164,352.60 and 38,460.48 is: 57,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,556.28 : 164,352.60 = 38,460.48 : x
  2. Step 2: Convert to fraction form
    109,556.28/164,352.60 = 38,460.48/x
  3. Step 3: Cross multiply
    109,556.28x = 164,352.60 × 38,460.48
  4. Step 4: Simplify right side
    109,556.28x = 6,321,079,885.25
  5. Step 5: Solve for x
    x = 6,321,079,885.25/109,556.28
  6. Step 6: Final answer
    x = 57,697.10

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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.