Home / 148,314.10-204,673.38-80,331.05

Finding the Fourth Proportional to 148,314.10, 204,673.38 and 80,331.05

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Solution

The fourth proportional to 148,314.10, 204,673.38 and 80,331.05 is: 110,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,314.10 : 204,673.38 = 80,331.05 : x
  2. Step 2: Convert to fraction form
    148,314.10/204,673.38 = 80,331.05/x
  3. Step 3: Cross multiply
    148,314.10x = 204,673.38 × 80,331.05
  4. Step 4: Simplify right side
    148,314.10x = 16,441,627,522.45
  5. Step 5: Solve for x
    x = 16,441,627,522.45/148,314.10
  6. Step 6: Final answer
    x = 110,856.81

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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.