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Finding the Fourth Proportional to 165,700.64, 228,669.54 and 90,249.14

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Solution

The fourth proportional to 165,700.64, 228,669.54 and 90,249.14 is: 124,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,700.64 : 228,669.54 = 90,249.14 : x
  2. Step 2: Convert to fraction form
    165,700.64/228,669.54 = 90,249.14/x
  3. Step 3: Cross multiply
    165,700.64x = 228,669.54 × 90,249.14
  4. Step 4: Simplify right side
    165,700.64x = 20,637,229,329.20
  5. Step 5: Solve for x
    x = 20,637,229,329.20/165,700.64
  6. Step 6: Final answer
    x = 124,545.26

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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.