Home / 120,022.41-180,082.03-53,416.98

Finding the Fourth Proportional to 120,022.41, 180,082.03 and 53,416.98

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Solution

The fourth proportional to 120,022.41, 180,082.03 and 53,416.98 is: 80,147.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,022.41 : 180,082.03 = 53,416.98 : x
  2. Step 2: Convert to fraction form
    120,022.41/180,082.03 = 53,416.98/x
  3. Step 3: Cross multiply
    120,022.41x = 180,082.03 × 53,416.98
  4. Step 4: Simplify right side
    120,022.41x = 9,619,438,936.95
  5. Step 5: Solve for x
    x = 9,619,438,936.95/120,022.41
  6. Step 6: Final answer
    x = 80,147.02

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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.