Home / 161,875.16-223,390.49-89,286.38

Finding the Fourth Proportional to 161,875.16, 223,390.49 and 89,286.38

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Solution

The fourth proportional to 161,875.16, 223,390.49 and 89,286.38 is: 123,216.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,875.16 : 223,390.49 = 89,286.38 : x
  2. Step 2: Convert to fraction form
    161,875.16/223,390.49 = 89,286.38/x
  3. Step 3: Cross multiply
    161,875.16x = 223,390.49 × 89,286.38
  4. Step 4: Simplify right side
    161,875.16x = 19,945,728,290.57
  5. Step 5: Solve for x
    x = 19,945,728,290.57/161,875.16
  6. Step 6: Final answer
    x = 123,216.74

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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.