Home / 120,707.04-181,039.68-31,961.82

Finding the Fourth Proportional to 120,707.04, 181,039.68 and 31,961.82

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Solution

The fourth proportional to 120,707.04, 181,039.68 and 31,961.82 is: 47,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,707.04 : 181,039.68 = 31,961.82 : x
  2. Step 2: Convert to fraction form
    120,707.04/181,039.68 = 31,961.82/x
  3. Step 3: Cross multiply
    120,707.04x = 181,039.68 × 31,961.82
  4. Step 4: Simplify right side
    120,707.04x = 5,786,357,665.02
  5. Step 5: Solve for x
    x = 5,786,357,665.02/120,707.04
  6. Step 6: Final answer
    x = 47,937.20

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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.