Home / 169,609.16-254,419.14-85,323.26

Finding the Fourth Proportional to 169,609.16, 254,419.14 and 85,323.26

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Solution

The fourth proportional to 169,609.16, 254,419.14 and 85,323.26 is: 127,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,609.16 : 254,419.14 = 85,323.26 : x
  2. Step 2: Convert to fraction form
    169,609.16/254,419.14 = 85,323.26/x
  3. Step 3: Cross multiply
    169,609.16x = 254,419.14 × 85,323.26
  4. Step 4: Simplify right side
    169,609.16x = 21,707,870,431.20
  5. Step 5: Solve for x
    x = 21,707,870,431.20/169,609.16
  6. Step 6: Final answer
    x = 127,987.61

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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.