Home / 165,617.58-228,552.29-90,166.08

Finding the Fourth Proportional to 165,617.58, 228,552.29 and 90,166.08

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Solution

The fourth proportional to 165,617.58, 228,552.29 and 90,166.08 is: 124,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,617.58 : 228,552.29 = 90,166.08 : x
  2. Step 2: Convert to fraction form
    165,617.58/228,552.29 = 90,166.08/x
  3. Step 3: Cross multiply
    165,617.58x = 228,552.29 × 90,166.08
  4. Step 4: Simplify right side
    165,617.58x = 20,607,663,613.49
  5. Step 5: Solve for x
    x = 20,607,663,613.49/165,617.58
  6. Step 6: Final answer
    x = 124,429.20

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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.