Home / 141,815.97-195,706.08-77,285.23

Finding the Fourth Proportional to 141,815.97, 195,706.08 and 77,285.23

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Solution

The fourth proportional to 141,815.97, 195,706.08 and 77,285.23 is: 106,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.97 : 195,706.08 = 77,285.23 : x
  2. Step 2: Convert to fraction form
    141,815.97/195,706.08 = 77,285.23/x
  3. Step 3: Cross multiply
    141,815.97x = 195,706.08 × 77,285.23
  4. Step 4: Simplify right side
    141,815.97x = 15,125,189,405.20
  5. Step 5: Solve for x
    x = 15,125,189,405.20/141,815.97
  6. Step 6: Final answer
    x = 106,653.64

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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.