Home / 120,922.20-181,383.30-47,050.20

Finding the Fourth Proportional to 120,922.20, 181,383.30 and 47,050.20

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Solution

The fourth proportional to 120,922.20, 181,383.30 and 47,050.20 is: 70,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,922.20 : 181,383.30 = 47,050.20 : x
  2. Step 2: Convert to fraction form
    120,922.20/181,383.30 = 47,050.20/x
  3. Step 3: Cross multiply
    120,922.20x = 181,383.30 × 47,050.20
  4. Step 4: Simplify right side
    120,922.20x = 8,534,120,541.66
  5. Step 5: Solve for x
    x = 8,534,120,541.66/120,922.20
  6. Step 6: Final answer
    x = 70,575.30

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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.