Home / 131,655.06-197,480.61-31,814.56

Finding the Fourth Proportional to 131,655.06, 197,480.61 and 31,814.56

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Solution

The fourth proportional to 131,655.06, 197,480.61 and 31,814.56 is: 47,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,655.06 : 197,480.61 = 31,814.56 : x
  2. Step 2: Convert to fraction form
    131,655.06/197,480.61 = 31,814.56/x
  3. Step 3: Cross multiply
    131,655.06x = 197,480.61 × 31,814.56
  4. Step 4: Simplify right side
    131,655.06x = 6,282,758,715.68
  5. Step 5: Solve for x
    x = 6,282,758,715.68/131,655.06
  6. Step 6: Final answer
    x = 47,721.36

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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.