Home / 140,431.50-193,773.78-79,994.46

Finding the Fourth Proportional to 140,431.50, 193,773.78 and 79,994.46

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Solution

The fourth proportional to 140,431.50, 193,773.78 and 79,994.46 is: 110,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,431.50 : 193,773.78 = 79,994.46 : x
  2. Step 2: Convert to fraction form
    140,431.50/193,773.78 = 79,994.46/x
  3. Step 3: Cross multiply
    140,431.50x = 193,773.78 × 79,994.46
  4. Step 4: Simplify right side
    140,431.50x = 15,500,828,893.26
  5. Step 5: Solve for x
    x = 15,500,828,893.26/140,431.50
  6. Step 6: Final answer
    x = 110,380.00

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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.