Home / 165,214.08-227,998.80-89,767.44

Finding the Fourth Proportional to 165,214.08, 227,998.80 and 89,767.44

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Solution

The fourth proportional to 165,214.08, 227,998.80 and 89,767.44 is: 123,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,214.08 : 227,998.80 = 89,767.44 : x
  2. Step 2: Convert to fraction form
    165,214.08/227,998.80 = 89,767.44/x
  3. Step 3: Cross multiply
    165,214.08x = 227,998.80 × 89,767.44
  4. Step 4: Simplify right side
    165,214.08x = 20,466,868,599.07
  5. Step 5: Solve for x
    x = 20,466,868,599.07/165,214.08
  6. Step 6: Final answer
    x = 123,880.90

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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.