Home / 141,320.98-194,828.07-112,737.64

Finding the Fourth Proportional to 141,320.98, 194,828.07 and 112,737.64

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Solution

The fourth proportional to 141,320.98, 194,828.07 and 112,737.64 is: 155,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,320.98 : 194,828.07 = 112,737.64 : x
  2. Step 2: Convert to fraction form
    141,320.98/194,828.07 = 112,737.64/x
  3. Step 3: Cross multiply
    141,320.98x = 194,828.07 × 112,737.64
  4. Step 4: Simplify right side
    141,320.98x = 21,964,456,817.55
  5. Step 5: Solve for x
    x = 21,964,456,817.55/141,320.98
  6. Step 6: Final answer
    x = 155,422.48

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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.