Home / 140,052.53-210,015.60-40,190.06

Finding the Fourth Proportional to 140,052.53, 210,015.60 and 40,190.06

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Solution

The fourth proportional to 140,052.53, 210,015.60 and 40,190.06 is: 60,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,052.53 : 210,015.60 = 40,190.06 : x
  2. Step 2: Convert to fraction form
    140,052.53/210,015.60 = 40,190.06/x
  3. Step 3: Cross multiply
    140,052.53x = 210,015.60 × 40,190.06
  4. Step 4: Simplify right side
    140,052.53x = 8,440,538,514.86
  5. Step 5: Solve for x
    x = 8,440,538,514.86/140,052.53
  6. Step 6: Final answer
    x = 60,266.95

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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.