Home / 148,861.64-204,828.80-145,318.70

Finding the Fourth Proportional to 148,861.64, 204,828.80 and 145,318.70

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Solution

The fourth proportional to 148,861.64, 204,828.80 and 145,318.70 is: 199,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,861.64 : 204,828.80 = 145,318.70 : x
  2. Step 2: Convert to fraction form
    148,861.64/204,828.80 = 145,318.70/x
  3. Step 3: Cross multiply
    148,861.64x = 204,828.80 × 145,318.70
  4. Step 4: Simplify right side
    148,861.64x = 29,765,454,938.56
  5. Step 5: Solve for x
    x = 29,765,454,938.56/148,861.64
  6. Step 6: Final answer
    x = 199,953.83

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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.