Home / 141,092.20-194,706.66-77,429.86

Finding the Fourth Proportional to 141,092.20, 194,706.66 and 77,429.86

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Solution

The fourth proportional to 141,092.20, 194,706.66 and 77,429.86 is: 106,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,092.20 : 194,706.66 = 77,429.86 : x
  2. Step 2: Convert to fraction form
    141,092.20/194,706.66 = 77,429.86/x
  3. Step 3: Cross multiply
    141,092.20x = 194,706.66 × 77,429.86
  4. Step 4: Simplify right side
    141,092.20x = 15,076,109,424.87
  5. Step 5: Solve for x
    x = 15,076,109,424.87/141,092.20
  6. Step 6: Final answer
    x = 106,852.89

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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.