Home / 120,867.12-181,300.73-45,969.95

Finding the Fourth Proportional to 120,867.12, 181,300.73 and 45,969.95

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Solution

The fourth proportional to 120,867.12, 181,300.73 and 45,969.95 is: 68,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,867.12 : 181,300.73 = 45,969.95 : x
  2. Step 2: Convert to fraction form
    120,867.12/181,300.73 = 45,969.95/x
  3. Step 3: Cross multiply
    120,867.12x = 181,300.73 × 45,969.95
  4. Step 4: Simplify right side
    120,867.12x = 8,334,385,716.47
  5. Step 5: Solve for x
    x = 8,334,385,716.47/120,867.12
  6. Step 6: Final answer
    x = 68,954.95

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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.