Home / 143,532.44-198,056.94-79,865.72

Finding the Fourth Proportional to 143,532.44, 198,056.94 and 79,865.72

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Solution

The fourth proportional to 143,532.44, 198,056.94 and 79,865.72 is: 110,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,532.44 : 198,056.94 = 79,865.72 : x
  2. Step 2: Convert to fraction form
    143,532.44/198,056.94 = 79,865.72/x
  3. Step 3: Cross multiply
    143,532.44x = 198,056.94 × 79,865.72
  4. Step 4: Simplify right side
    143,532.44x = 15,817,960,114.10
  5. Step 5: Solve for x
    x = 15,817,960,114.10/143,532.44
  6. Step 6: Final answer
    x = 110,204.77

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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.