Home / 161,747.38-223,208.37-90,125.86

Finding the Fourth Proportional to 161,747.38, 223,208.37 and 90,125.86

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Solution

The fourth proportional to 161,747.38, 223,208.37 and 90,125.86 is: 124,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,747.38 : 223,208.37 = 90,125.86 : x
  2. Step 2: Convert to fraction form
    161,747.38/223,208.37 = 90,125.86/x
  3. Step 3: Cross multiply
    161,747.38x = 223,208.37 × 90,125.86
  4. Step 4: Simplify right side
    161,747.38x = 20,116,846,305.45
  5. Step 5: Solve for x
    x = 20,116,846,305.45/161,747.38
  6. Step 6: Final answer
    x = 124,372.01

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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.