Home / 148,142.87-204,435.62-80,158.34

Finding the Fourth Proportional to 148,142.87, 204,435.62 and 80,158.34

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Solution

The fourth proportional to 148,142.87, 204,435.62 and 80,158.34 is: 110,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,142.87 : 204,435.62 = 80,158.34 : x
  2. Step 2: Convert to fraction form
    148,142.87/204,435.62 = 80,158.34/x
  3. Step 3: Cross multiply
    148,142.87x = 204,435.62 × 80,158.34
  4. Step 4: Simplify right side
    148,142.87x = 16,387,218,513.10
  5. Step 5: Solve for x
    x = 16,387,218,513.10/148,142.87
  6. Step 6: Final answer
    x = 110,617.67

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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.