Home / 197,690.10-296,731.98-108,985.38

Finding the Fourth Proportional to 197,690.10, 296,731.98 and 108,985.38

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Solution

The fourth proportional to 197,690.10, 296,731.98 and 108,985.38 is: 163,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,690.10 : 296,731.98 = 108,985.38 : x
  2. Step 2: Convert to fraction form
    197,690.10/296,731.98 = 108,985.38/x
  3. Step 3: Cross multiply
    197,690.10x = 296,731.98 × 108,985.38
  4. Step 4: Simplify right side
    197,690.10x = 32,339,447,598.45
  5. Step 5: Solve for x
    x = 32,339,447,598.45/197,690.10
  6. Step 6: Final answer
    x = 163,586.58

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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.