Home / 120,219.34-180,345.42-50,082.25

Finding the Fourth Proportional to 120,219.34, 180,345.42 and 50,082.25

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Solution

The fourth proportional to 120,219.34, 180,345.42 and 50,082.25 is: 75,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,219.34 : 180,345.42 = 50,082.25 : x
  2. Step 2: Convert to fraction form
    120,219.34/180,345.42 = 50,082.25/x
  3. Step 3: Cross multiply
    120,219.34x = 180,345.42 × 50,082.25
  4. Step 4: Simplify right side
    120,219.34x = 9,032,104,410.80
  5. Step 5: Solve for x
    x = 9,032,104,410.80/120,219.34
  6. Step 6: Final answer
    x = 75,130.21

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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.