Home / 165,989.36-229,063.32-90,536.24

Finding the Fourth Proportional to 165,989.36, 229,063.32 and 90,536.24

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Solution

The fourth proportional to 165,989.36, 229,063.32 and 90,536.24 is: 124,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,989.36 : 229,063.32 = 90,536.24 : x
  2. Step 2: Convert to fraction form
    165,989.36/229,063.32 = 90,536.24/x
  3. Step 3: Cross multiply
    165,989.36x = 229,063.32 × 90,536.24
  4. Step 4: Simplify right side
    165,989.36x = 20,738,531,714.72
  5. Step 5: Solve for x
    x = 20,738,531,714.72/165,989.36
  6. Step 6: Final answer
    x = 124,938.92

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1.5x scale

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.