Home / 143,263.22-197,703.27-79,601.01

Finding the Fourth Proportional to 143,263.22, 197,703.27 and 79,601.01

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Solution

The fourth proportional to 143,263.22, 197,703.27 and 79,601.01 is: 109,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,263.22 : 197,703.27 = 79,601.01 : x
  2. Step 2: Convert to fraction form
    143,263.22/197,703.27 = 79,601.01/x
  3. Step 3: Cross multiply
    143,263.22x = 197,703.27 × 79,601.01
  4. Step 4: Simplify right side
    143,263.22x = 15,737,379,972.30
  5. Step 5: Solve for x
    x = 15,737,379,972.30/143,263.22
  6. Step 6: Final answer
    x = 109,849.41

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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.