Home / 165,730.08-228,714.48-90,282.72

Finding the Fourth Proportional to 165,730.08, 228,714.48 and 90,282.72

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Solution

The fourth proportional to 165,730.08, 228,714.48 and 90,282.72 is: 124,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,730.08 : 228,714.48 = 90,282.72 : x
  2. Step 2: Convert to fraction form
    165,730.08/228,714.48 = 90,282.72/x
  3. Step 3: Cross multiply
    165,730.08x = 228,714.48 × 90,282.72
  4. Step 4: Simplify right side
    165,730.08x = 20,648,965,357.79
  5. Step 5: Solve for x
    x = 20,648,965,357.79/165,730.08
  6. Step 6: Final answer
    x = 124,593.95

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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.