Home / 119,572.31-165,021.44-89,305.08

Finding the Fourth Proportional to 119,572.31, 165,021.44 and 89,305.08

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Solution

The fourth proportional to 119,572.31, 165,021.44 and 89,305.08 is: 123,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,572.31 : 165,021.44 = 89,305.08 : x
  2. Step 2: Convert to fraction form
    119,572.31/165,021.44 = 89,305.08/x
  3. Step 3: Cross multiply
    119,572.31x = 165,021.44 × 89,305.08
  4. Step 4: Simplify right side
    119,572.31x = 14,737,252,454.39
  5. Step 5: Solve for x
    x = 14,737,252,454.39/119,572.31
  6. Step 6: Final answer
    x = 123,249.71

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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.