Home / 198,005.70-296,935.65-64,890.30

Finding the Fourth Proportional to 198,005.70, 296,935.65 and 64,890.30

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Solution

The fourth proportional to 198,005.70, 296,935.65 and 64,890.30 is: 97,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,005.70 : 296,935.65 = 64,890.30 : x
  2. Step 2: Convert to fraction form
    198,005.70/296,935.65 = 64,890.30/x
  3. Step 3: Cross multiply
    198,005.70x = 296,935.65 × 64,890.30
  4. Step 4: Simplify right side
    198,005.70x = 19,268,243,409.20
  5. Step 5: Solve for x
    x = 19,268,243,409.20/198,005.70
  6. Step 6: Final answer
    x = 97,311.56

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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.