Home / 143,263.62-197,702.37-79,600.05

Finding the Fourth Proportional to 143,263.62, 197,702.37 and 79,600.05

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Solution

The fourth proportional to 143,263.62, 197,702.37 and 79,600.05 is: 109,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,263.62 : 197,702.37 = 79,600.05 : x
  2. Step 2: Convert to fraction form
    143,263.62/197,702.37 = 79,600.05/x
  3. Step 3: Cross multiply
    143,263.62x = 197,702.37 × 79,600.05
  4. Step 4: Simplify right side
    143,263.62x = 15,737,118,537.12
  5. Step 5: Solve for x
    x = 15,737,118,537.12/143,263.62
  6. Step 6: Final answer
    x = 109,847.28

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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.