Home / 141,095.09-194,706.83-77,431.25

Finding the Fourth Proportional to 141,095.09, 194,706.83 and 77,431.25

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Solution

The fourth proportional to 141,095.09, 194,706.83 and 77,431.25 is: 106,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,095.09 : 194,706.83 = 77,431.25 : x
  2. Step 2: Convert to fraction form
    141,095.09/194,706.83 = 77,431.25/x
  3. Step 3: Cross multiply
    141,095.09x = 194,706.83 × 77,431.25
  4. Step 4: Simplify right side
    141,095.09x = 15,076,393,230.44
  5. Step 5: Solve for x
    x = 15,076,393,230.44/141,095.09
  6. Step 6: Final answer
    x = 106,852.71

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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.