Home / 165,013.71-227,718.90-89,562.21

Finding the Fourth Proportional to 165,013.71, 227,718.90 and 89,562.21

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Solution

The fourth proportional to 165,013.71, 227,718.90 and 89,562.21 is: 123,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,013.71 : 227,718.90 = 89,562.21 : x
  2. Step 2: Convert to fraction form
    165,013.71/227,718.90 = 89,562.21/x
  3. Step 3: Cross multiply
    165,013.71x = 227,718.90 × 89,562.21
  4. Step 4: Simplify right side
    165,013.71x = 20,395,007,942.77
  5. Step 5: Solve for x
    x = 20,395,007,942.77/165,013.71
  6. Step 6: Final answer
    x = 123,595.84

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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.