Home / 144,942.80-199,973.24-87,560.64

Finding the Fourth Proportional to 144,942.80, 199,973.24 and 87,560.64

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Solution

The fourth proportional to 144,942.80, 199,973.24 and 87,560.64 is: 120,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,942.80 : 199,973.24 = 87,560.64 : x
  2. Step 2: Convert to fraction form
    144,942.80/199,973.24 = 87,560.64/x
  3. Step 3: Cross multiply
    144,942.80x = 199,973.24 × 87,560.64
  4. Step 4: Simplify right side
    144,942.80x = 17,509,784,877.27
  5. Step 5: Solve for x
    x = 17,509,784,877.27/144,942.80
  6. Step 6: Final answer
    x = 120,804.79

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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.