Home / 117,840.42-176,728.23-80,393.31

Finding the Fourth Proportional to 117,840.42, 176,728.23 and 80,393.31

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Solution

The fourth proportional to 117,840.42, 176,728.23 and 80,393.31 is: 120,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,840.42 : 176,728.23 = 80,393.31 : x
  2. Step 2: Convert to fraction form
    117,840.42/176,728.23 = 80,393.31/x
  3. Step 3: Cross multiply
    117,840.42x = 176,728.23 × 80,393.31
  4. Step 4: Simplify right side
    117,840.42x = 14,207,767,380.14
  5. Step 5: Solve for x
    x = 14,207,767,380.14/117,840.42
  6. Step 6: Final answer
    x = 120,567.86

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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.