Home / 140,601.40-211,106.90-99,231.80

Finding the Fourth Proportional to 140,601.40, 211,106.90 and 99,231.80

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Solution

The fourth proportional to 140,601.40, 211,106.90 and 99,231.80 is: 148,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,601.40 : 211,106.90 = 99,231.80 : x
  2. Step 2: Convert to fraction form
    140,601.40/211,106.90 = 99,231.80/x
  3. Step 3: Cross multiply
    140,601.40x = 211,106.90 × 99,231.80
  4. Step 4: Simplify right side
    140,601.40x = 20,948,517,679.42
  5. Step 5: Solve for x
    x = 20,948,517,679.42/140,601.40
  6. Step 6: Final answer
    x = 148,992.24

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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.