Home / 120,601.42-180,774.50-40,563.20

Finding the Fourth Proportional to 120,601.42, 180,774.50 and 40,563.20

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Solution

The fourth proportional to 120,601.42, 180,774.50 and 40,563.20 is: 60,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,601.42 : 180,774.50 = 40,563.20 : x
  2. Step 2: Convert to fraction form
    120,601.42/180,774.50 = 40,563.20/x
  3. Step 3: Cross multiply
    120,601.42x = 180,774.50 × 40,563.20
  4. Step 4: Simplify right side
    120,601.42x = 7,332,791,658.83
  5. Step 5: Solve for x
    x = 7,332,791,658.83/120,601.42
  6. Step 6: Final answer
    x = 60,801.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.