Home / 198,147.38-297,158.67-64,996.70

Finding the Fourth Proportional to 198,147.38, 297,158.67 and 64,996.70

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Solution

The fourth proportional to 198,147.38, 297,158.67 and 64,996.70 is: 97,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,147.38 : 297,158.67 = 64,996.70 : x
  2. Step 2: Convert to fraction form
    198,147.38/297,158.67 = 64,996.70/x
  3. Step 3: Cross multiply
    198,147.38x = 297,158.67 × 64,996.70
  4. Step 4: Simplify right side
    198,147.38x = 19,314,331,440.60
  5. Step 5: Solve for x
    x = 19,314,331,440.60/198,147.38
  6. Step 6: Final answer
    x = 97,474.58

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1.5x scale

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.