Home / 140,450.02-193,821.21-80,018.02

Finding the Fourth Proportional to 140,450.02, 193,821.21 and 80,018.02

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Solution

The fourth proportional to 140,450.02, 193,821.21 and 80,018.02 is: 110,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,450.02 : 193,821.21 = 80,018.02 : x
  2. Step 2: Convert to fraction form
    140,450.02/193,821.21 = 80,018.02/x
  3. Step 3: Cross multiply
    140,450.02x = 193,821.21 × 80,018.02
  4. Step 4: Simplify right side
    140,450.02x = 15,509,189,458.20
  5. Step 5: Solve for x
    x = 15,509,189,458.20/140,450.02
  6. Step 6: Final answer
    x = 110,424.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.