Home / 143,434.24-197,915.20-79,763.52

Finding the Fourth Proportional to 143,434.24, 197,915.20 and 79,763.52

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Solution

The fourth proportional to 143,434.24, 197,915.20 and 79,763.52 is: 110,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,434.24 : 197,915.20 = 79,763.52 : x
  2. Step 2: Convert to fraction form
    143,434.24/197,915.20 = 79,763.52/x
  3. Step 3: Cross multiply
    143,434.24x = 197,915.20 × 79,763.52
  4. Step 4: Simplify right side
    143,434.24x = 15,786,413,013.50
  5. Step 5: Solve for x
    x = 15,786,413,013.50/143,434.24
  6. Step 6: Final answer
    x = 110,060.28

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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.