Home / 165,018.27-227,725.65-89,566.77

Finding the Fourth Proportional to 165,018.27, 227,725.65 and 89,566.77

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Solution

The fourth proportional to 165,018.27, 227,725.65 and 89,566.77 is: 123,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,018.27 : 227,725.65 = 89,566.77 : x
  2. Step 2: Convert to fraction form
    165,018.27/227,725.65 = 89,566.77/x
  3. Step 3: Cross multiply
    165,018.27x = 227,725.65 × 89,566.77
  4. Step 4: Simplify right side
    165,018.27x = 20,396,650,916.65
  5. Step 5: Solve for x
    x = 20,396,650,916.65/165,018.27
  6. Step 6: Final answer
    x = 123,602.38

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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.