Home / 120,954.24-181,259.55-89,113.95

Finding the Fourth Proportional to 120,954.24, 181,259.55 and 89,113.95

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Solution

The fourth proportional to 120,954.24, 181,259.55 and 89,113.95 is: 133,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,954.24 : 181,259.55 = 89,113.95 : x
  2. Step 2: Convert to fraction form
    120,954.24/181,259.55 = 89,113.95/x
  3. Step 3: Cross multiply
    120,954.24x = 181,259.55 × 89,113.95
  4. Step 4: Simplify right side
    120,954.24x = 16,152,753,715.30
  5. Step 5: Solve for x
    x = 16,152,753,715.30/120,954.24
  6. Step 6: Final answer
    x = 133,544.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.