Home / 148,114.85-204,405.84-90,757.35

Finding the Fourth Proportional to 148,114.85, 204,405.84 and 90,757.35

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Solution

The fourth proportional to 148,114.85, 204,405.84 and 90,757.35 is: 125,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,114.85 : 204,405.84 = 90,757.35 : x
  2. Step 2: Convert to fraction form
    148,114.85/204,405.84 = 90,757.35/x
  3. Step 3: Cross multiply
    148,114.85x = 204,405.84 × 90,757.35
  4. Step 4: Simplify right side
    148,114.85x = 18,551,332,362.92
  5. Step 5: Solve for x
    x = 18,551,332,362.92/148,114.85
  6. Step 6: Final answer
    x = 125,249.65

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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.