Home / 119,572.69-165,021.95-89,305.46

Finding the Fourth Proportional to 119,572.69, 165,021.95 and 89,305.46

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Solution

The fourth proportional to 119,572.69, 165,021.95 and 89,305.46 is: 123,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,572.69 : 165,021.95 = 89,305.46 : x
  2. Step 2: Convert to fraction form
    119,572.69/165,021.95 = 89,305.46/x
  3. Step 3: Cross multiply
    119,572.69x = 165,021.95 × 89,305.46
  4. Step 4: Simplify right side
    119,572.69x = 14,737,360,553.00
  5. Step 5: Solve for x
    x = 14,737,360,553.00/119,572.69
  6. Step 6: Final answer
    x = 123,250.22

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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.