Home / 165,961.20-229,047.03-101,417.16

Finding the Fourth Proportional to 165,961.20, 229,047.03 and 101,417.16

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Solution

The fourth proportional to 165,961.20, 229,047.03 and 101,417.16 is: 139,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,961.20 : 229,047.03 = 101,417.16 : x
  2. Step 2: Convert to fraction form
    165,961.20/229,047.03 = 101,417.16/x
  3. Step 3: Cross multiply
    165,961.20x = 229,047.03 × 101,417.16
  4. Step 4: Simplify right side
    165,961.20x = 23,229,299,289.03
  5. Step 5: Solve for x
    x = 23,229,299,289.03/165,961.20
  6. Step 6: Final answer
    x = 139,968.25

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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.