Home / 198,108.72-297,152.16-144,855.27

Finding the Fourth Proportional to 198,108.72, 297,152.16 and 144,855.27

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Solution

The fourth proportional to 198,108.72, 297,152.16 and 144,855.27 is: 217,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,108.72 : 297,152.16 = 144,855.27 : x
  2. Step 2: Convert to fraction form
    198,108.72/297,152.16 = 144,855.27/x
  3. Step 3: Cross multiply
    198,108.72x = 297,152.16 × 144,855.27
  4. Step 4: Simplify right side
    198,108.72x = 43,044,056,367.88
  5. Step 5: Solve for x
    x = 43,044,056,367.88/198,108.72
  6. Step 6: Final answer
    x = 217,274.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.