Home / 148,313.30-204,671.30-80,328.70

Finding the Fourth Proportional to 148,313.30, 204,671.30 and 80,328.70

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Solution

The fourth proportional to 148,313.30, 204,671.30 and 80,328.70 is: 110,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,313.30 : 204,671.30 = 80,328.70 : x
  2. Step 2: Convert to fraction form
    148,313.30/204,671.30 = 80,328.70/x
  3. Step 3: Cross multiply
    148,313.30x = 204,671.30 × 80,328.70
  4. Step 4: Simplify right side
    148,313.30x = 16,440,979,456.31
  5. Step 5: Solve for x
    x = 16,440,979,456.31/148,313.30
  6. Step 6: Final answer
    x = 110,853.04

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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.