Home / 129,984.21-195,005.48-41,240.61

Finding the Fourth Proportional to 129,984.21, 195,005.48 and 41,240.61

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Solution

The fourth proportional to 129,984.21, 195,005.48 and 41,240.61 is: 61,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,984.21 : 195,005.48 = 41,240.61 : x
  2. Step 2: Convert to fraction form
    129,984.21/195,005.48 = 41,240.61/x
  3. Step 3: Cross multiply
    129,984.21x = 195,005.48 × 41,240.61
  4. Step 4: Simplify right side
    129,984.21x = 8,042,144,742.34
  5. Step 5: Solve for x
    x = 8,042,144,742.34/129,984.21
  6. Step 6: Final answer
    x = 61,870.17

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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.