Home / 143,006.24-197,357.88-79,351.04

Finding the Fourth Proportional to 143,006.24, 197,357.88 and 79,351.04

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Solution

The fourth proportional to 143,006.24, 197,357.88 and 79,351.04 is: 109,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,006.24 : 197,357.88 = 79,351.04 : x
  2. Step 2: Convert to fraction form
    143,006.24/197,357.88 = 79,351.04/x
  3. Step 3: Cross multiply
    143,006.24x = 197,357.88 × 79,351.04
  4. Step 4: Simplify right side
    143,006.24x = 15,660,553,030.20
  5. Step 5: Solve for x
    x = 15,660,553,030.20/143,006.24
  6. Step 6: Final answer
    x = 109,509.58

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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.