Home / 91,714.20-137,401.20-52,153.80

Finding the Fourth Proportional to 91,714.20, 137,401.20 and 52,153.80

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Solution

The fourth proportional to 91,714.20, 137,401.20 and 52,153.80 is: 78,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,714.20 : 137,401.20 = 52,153.80 : x
  2. Step 2: Convert to fraction form
    91,714.20/137,401.20 = 52,153.80/x
  3. Step 3: Cross multiply
    91,714.20x = 137,401.20 × 52,153.80
  4. Step 4: Simplify right side
    91,714.20x = 7,165,994,704.56
  5. Step 5: Solve for x
    x = 7,165,994,704.56/91,714.20
  6. Step 6: Final answer
    x = 78,133.97

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1.5x scale

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.