Home / 120,948.91-181,399.67-114,947.89

Finding the Fourth Proportional to 120,948.91, 181,399.67 and 114,947.89

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Solution

The fourth proportional to 120,948.91, 181,399.67 and 114,947.89 is: 172,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,948.91 : 181,399.67 = 114,947.89 : x
  2. Step 2: Convert to fraction form
    120,948.91/181,399.67 = 114,947.89/x
  3. Step 3: Cross multiply
    120,948.91x = 181,399.67 × 114,947.89
  4. Step 4: Simplify right side
    120,948.91x = 20,851,509,313.20
  5. Step 5: Solve for x
    x = 20,851,509,313.20/120,948.91
  6. Step 6: Final answer
    x = 172,399.32

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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.