Home / 120,945.93-181,435.32-42,049.95

Finding the Fourth Proportional to 120,945.93, 181,435.32 and 42,049.95

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Solution

The fourth proportional to 120,945.93, 181,435.32 and 42,049.95 is: 63,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,945.93 : 181,435.32 = 42,049.95 : x
  2. Step 2: Convert to fraction form
    120,945.93/181,435.32 = 42,049.95/x
  3. Step 3: Cross multiply
    120,945.93x = 181,435.32 × 42,049.95
  4. Step 4: Simplify right side
    120,945.93x = 7,629,346,134.23
  5. Step 5: Solve for x
    x = 7,629,346,134.23/120,945.93
  6. Step 6: Final answer
    x = 63,080.64

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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.