Home / 140,628.48-210,942.40-35,455.68

Finding the Fourth Proportional to 140,628.48, 210,942.40 and 35,455.68

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Solution

The fourth proportional to 140,628.48, 210,942.40 and 35,455.68 is: 53,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,628.48 : 210,942.40 = 35,455.68 : x
  2. Step 2: Convert to fraction form
    140,628.48/210,942.40 = 35,455.68/x
  3. Step 3: Cross multiply
    140,628.48x = 210,942.40 × 35,455.68
  4. Step 4: Simplify right side
    140,628.48x = 7,479,106,232.83
  5. Step 5: Solve for x
    x = 7,479,106,232.83/140,628.48
  6. Step 6: Final answer
    x = 53,183.44

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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.