Home / 141,149.84-194,787.60-77,488.16

Finding the Fourth Proportional to 141,149.84, 194,787.60 and 77,488.16

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Solution

The fourth proportional to 141,149.84, 194,787.60 and 77,488.16 is: 106,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,149.84 : 194,787.60 = 77,488.16 : x
  2. Step 2: Convert to fraction form
    141,149.84/194,787.60 = 77,488.16/x
  3. Step 3: Cross multiply
    141,149.84x = 194,787.60 × 77,488.16
  4. Step 4: Simplify right side
    141,149.84x = 15,093,732,714.82
  5. Step 5: Solve for x
    x = 15,093,732,714.82/141,149.84
  6. Step 6: Final answer
    x = 106,934.11

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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.