Home / 148,376.64-204,757.56-80,391.72

Finding the Fourth Proportional to 148,376.64, 204,757.56 and 80,391.72

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Solution

The fourth proportional to 148,376.64, 204,757.56 and 80,391.72 is: 110,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,376.64 : 204,757.56 = 80,391.72 : x
  2. Step 2: Convert to fraction form
    148,376.64/204,757.56 = 80,391.72/x
  3. Step 3: Cross multiply
    148,376.64x = 204,757.56 × 80,391.72
  4. Step 4: Simplify right side
    148,376.64x = 16,460,812,431.40
  5. Step 5: Solve for x
    x = 16,460,812,431.40/148,376.64
  6. Step 6: Final answer
    x = 110,939.38

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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.