Home / 120,022.56-180,040.32-104,094.72

Finding the Fourth Proportional to 120,022.56, 180,040.32 and 104,094.72

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Solution

The fourth proportional to 120,022.56, 180,040.32 and 104,094.72 is: 156,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,022.56 : 180,040.32 = 104,094.72 : x
  2. Step 2: Convert to fraction form
    120,022.56/180,040.32 = 104,094.72/x
  3. Step 3: Cross multiply
    120,022.56x = 180,040.32 × 104,094.72
  4. Step 4: Simplify right side
    120,022.56x = 18,741,246,699.11
  5. Step 5: Solve for x
    x = 18,741,246,699.11/120,022.56
  6. Step 6: Final answer
    x = 156,147.70

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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.