Home / 239,299.48-330,235.50-131,873.37

Finding the Fourth Proportional to 239,299.48, 330,235.50 and 131,873.37

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Solution

The fourth proportional to 239,299.48, 330,235.50 and 131,873.37 is: 181,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,299.48 : 330,235.50 = 131,873.37 : x
  2. Step 2: Convert to fraction form
    239,299.48/330,235.50 = 131,873.37/x
  3. Step 3: Cross multiply
    239,299.48x = 330,235.50 × 131,873.37
  4. Step 4: Simplify right side
    239,299.48x = 43,549,268,278.64
  5. Step 5: Solve for x
    x = 43,549,268,278.64/239,299.48
  6. Step 6: Final answer
    x = 181,986.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.