Home / 120,355.08-180,549.42-50,218.32

Finding the Fourth Proportional to 120,355.08, 180,549.42 and 50,218.32

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Solution

The fourth proportional to 120,355.08, 180,549.42 and 50,218.32 is: 75,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,355.08 : 180,549.42 = 50,218.32 : x
  2. Step 2: Convert to fraction form
    120,355.08/180,549.42 = 50,218.32/x
  3. Step 3: Cross multiply
    120,355.08x = 180,549.42 × 50,218.32
  4. Step 4: Simplify right side
    120,355.08x = 9,066,888,549.37
  5. Step 5: Solve for x
    x = 9,066,888,549.37/120,355.08
  6. Step 6: Final answer
    x = 75,334.49

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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.