Home / 161,139.26-241,472.30-81,067.16

Finding the Fourth Proportional to 161,139.26, 241,472.30 and 81,067.16

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Solution

The fourth proportional to 161,139.26, 241,472.30 and 81,067.16 is: 121,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,139.26 : 241,472.30 = 81,067.16 : x
  2. Step 2: Convert to fraction form
    161,139.26/241,472.30 = 81,067.16/x
  3. Step 3: Cross multiply
    161,139.26x = 241,472.30 × 81,067.16
  4. Step 4: Simplify right side
    161,139.26x = 19,575,474,386.02
  5. Step 5: Solve for x
    x = 19,575,474,386.02/161,139.26
  6. Step 6: Final answer
    x = 121,481.72

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1.5x scale

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.