Home / 165,965.56-229,053.08-101,421.52

Finding the Fourth Proportional to 165,965.56, 229,053.08 and 101,421.52

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Solution

The fourth proportional to 165,965.56, 229,053.08 and 101,421.52 is: 139,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,965.56 : 229,053.08 = 101,421.52 : x
  2. Step 2: Convert to fraction form
    165,965.56/229,053.08 = 101,421.52/x
  3. Step 3: Cross multiply
    165,965.56x = 229,053.08 × 101,421.52
  4. Step 4: Simplify right side
    165,965.56x = 23,230,911,534.28
  5. Step 5: Solve for x
    x = 23,230,911,534.28/165,965.56
  6. Step 6: Final answer
    x = 139,974.29

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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.