Home / 119,823.42-179,739.72-31,074.60

Finding the Fourth Proportional to 119,823.42, 179,739.72 and 31,074.60

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Solution

The fourth proportional to 119,823.42, 179,739.72 and 31,074.60 is: 46,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,823.42 : 179,739.72 = 31,074.60 : x
  2. Step 2: Convert to fraction form
    119,823.42/179,739.72 = 31,074.60/x
  3. Step 3: Cross multiply
    119,823.42x = 179,739.72 × 31,074.60
  4. Step 4: Simplify right side
    119,823.42x = 5,585,339,903.11
  5. Step 5: Solve for x
    x = 5,585,339,903.11/119,823.42
  6. Step 6: Final answer
    x = 46,613.09

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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.