Home / 140,641.02-194,084.84-76,982.85

Finding the Fourth Proportional to 140,641.02, 194,084.84 and 76,982.85

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Solution

The fourth proportional to 140,641.02, 194,084.84 and 76,982.85 is: 106,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,641.02 : 194,084.84 = 76,982.85 : x
  2. Step 2: Convert to fraction form
    140,641.02/194,084.84 = 76,982.85/x
  3. Step 3: Cross multiply
    140,641.02x = 194,084.84 × 76,982.85
  4. Step 4: Simplify right side
    140,641.02x = 14,941,204,317.45
  5. Step 5: Solve for x
    x = 14,941,204,317.45/140,641.02
  6. Step 6: Final answer
    x = 106,236.46

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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.