Home / 165,965.68-229,030.14-90,514.18

Finding the Fourth Proportional to 165,965.68, 229,030.14 and 90,514.18

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Solution

The fourth proportional to 165,965.68, 229,030.14 and 90,514.18 is: 124,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,965.68 : 229,030.14 = 90,514.18 : x
  2. Step 2: Convert to fraction form
    165,965.68/229,030.14 = 90,514.18/x
  3. Step 3: Cross multiply
    165,965.68x = 229,030.14 × 90,514.18
  4. Step 4: Simplify right side
    165,965.68x = 20,730,475,317.39
  5. Step 5: Solve for x
    x = 20,730,475,317.39/165,965.68
  6. Step 6: Final answer
    x = 124,908.21

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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.