Home / 148,399.20-204,861.83-84,724.70

Finding the Fourth Proportional to 148,399.20, 204,861.83 and 84,724.70

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Solution

The fourth proportional to 148,399.20, 204,861.83 and 84,724.70 is: 116,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,399.20 : 204,861.83 = 84,724.70 : x
  2. Step 2: Convert to fraction form
    148,399.20/204,861.83 = 84,724.70/x
  3. Step 3: Cross multiply
    148,399.20x = 204,861.83 × 84,724.70
  4. Step 4: Simplify right side
    148,399.20x = 17,356,855,640.27
  5. Step 5: Solve for x
    x = 17,356,855,640.27/148,399.20
  6. Step 6: Final answer
    x = 116,960.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.