Home / 141,707.15-195,564.70-78,044.93

Finding the Fourth Proportional to 141,707.15, 195,564.70 and 78,044.93

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Solution

The fourth proportional to 141,707.15, 195,564.70 and 78,044.93 is: 107,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,707.15 : 195,564.70 = 78,044.93 : x
  2. Step 2: Convert to fraction form
    141,707.15/195,564.70 = 78,044.93/x
  3. Step 3: Cross multiply
    141,707.15x = 195,564.70 × 78,044.93
  4. Step 4: Simplify right side
    141,707.15x = 15,262,833,321.97
  5. Step 5: Solve for x
    x = 15,262,833,321.97/141,707.15
  6. Step 6: Final answer
    x = 107,706.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.