Home / 140,787.26-194,291.26-77,125.04

Finding the Fourth Proportional to 140,787.26, 194,291.26 and 77,125.04

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Solution

The fourth proportional to 140,787.26, 194,291.26 and 77,125.04 is: 106,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,787.26 : 194,291.26 = 77,125.04 : x
  2. Step 2: Convert to fraction form
    140,787.26/194,291.26 = 77,125.04/x
  3. Step 3: Cross multiply
    140,787.26x = 194,291.26 × 77,125.04
  4. Step 4: Simplify right side
    140,787.26x = 14,984,721,492.07
  5. Step 5: Solve for x
    x = 14,984,721,492.07/140,787.26
  6. Step 6: Final answer
    x = 106,435.21

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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.