Home / 120,024.92-180,037.44-31,278.20

Finding the Fourth Proportional to 120,024.92, 180,037.44 and 31,278.20

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Solution

The fourth proportional to 120,024.92, 180,037.44 and 31,278.20 is: 46,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,024.92 : 180,037.44 = 31,278.20 : x
  2. Step 2: Convert to fraction form
    120,024.92/180,037.44 = 31,278.20/x
  3. Step 3: Cross multiply
    120,024.92x = 180,037.44 × 31,278.20
  4. Step 4: Simplify right side
    120,024.92x = 5,631,247,623.19
  5. Step 5: Solve for x
    x = 5,631,247,623.19/120,024.92
  6. Step 6: Final answer
    x = 46,917.32

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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.