Home / 140,913.02-194,455.94-80,482.41

Finding the Fourth Proportional to 140,913.02, 194,455.94 and 80,482.41

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Solution

The fourth proportional to 140,913.02, 194,455.94 and 80,482.41 is: 111,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,913.02 : 194,455.94 = 80,482.41 : x
  2. Step 2: Convert to fraction form
    140,913.02/194,455.94 = 80,482.41/x
  3. Step 3: Cross multiply
    140,913.02x = 194,455.94 × 80,482.41
  4. Step 4: Simplify right side
    140,913.02x = 15,650,282,690.02
  5. Step 5: Solve for x
    x = 15,650,282,690.02/140,913.02
  6. Step 6: Final answer
    x = 111,063.43

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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.