Home / 239,165.28-330,047.62-131,742.54

Finding the Fourth Proportional to 239,165.28, 330,047.62 and 131,742.54

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Solution

The fourth proportional to 239,165.28, 330,047.62 and 131,742.54 is: 181,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,165.28 : 330,047.62 = 131,742.54 : x
  2. Step 2: Convert to fraction form
    239,165.28/330,047.62 = 131,742.54/x
  3. Step 3: Cross multiply
    239,165.28x = 330,047.62 × 131,742.54
  4. Step 4: Simplify right side
    239,165.28x = 43,481,311,779.75
  5. Step 5: Solve for x
    x = 43,481,311,779.75/239,165.28
  6. Step 6: Final answer
    x = 181,804.45

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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.