Home / 140,485.23-193,872.99-80,054.58

Finding the Fourth Proportional to 140,485.23, 193,872.99 and 80,054.58

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Solution

The fourth proportional to 140,485.23, 193,872.99 and 80,054.58 is: 110,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,485.23 : 193,872.99 = 80,054.58 : x
  2. Step 2: Convert to fraction form
    140,485.23/193,872.99 = 80,054.58/x
  3. Step 3: Cross multiply
    140,485.23x = 193,872.99 × 80,054.58
  4. Step 4: Simplify right side
    140,485.23x = 15,520,420,787.79
  5. Step 5: Solve for x
    x = 15,520,420,787.79/140,485.23
  6. Step 6: Final answer
    x = 110,477.24

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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.