Home / 198,384.15-297,703.80-109,701.30

Finding the Fourth Proportional to 198,384.15, 297,703.80 and 109,701.30

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Solution

The fourth proportional to 198,384.15, 297,703.80 and 109,701.30 is: 164,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,384.15 : 297,703.80 = 109,701.30 : x
  2. Step 2: Convert to fraction form
    198,384.15/297,703.80 = 109,701.30/x
  3. Step 3: Cross multiply
    198,384.15x = 297,703.80 × 109,701.30
  4. Step 4: Simplify right side
    198,384.15x = 32,658,493,874.94
  5. Step 5: Solve for x
    x = 32,658,493,874.94/198,384.15
  6. Step 6: Final answer
    x = 164,622.50

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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.