Home / 239,130.43-330,014.92-131,700.44

Finding the Fourth Proportional to 239,130.43, 330,014.92 and 131,700.44

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Solution

The fourth proportional to 239,130.43, 330,014.92 and 131,700.44 is: 181,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,130.43 : 330,014.92 = 131,700.44 : x
  2. Step 2: Convert to fraction form
    239,130.43/330,014.92 = 131,700.44/x
  3. Step 3: Cross multiply
    239,130.43x = 330,014.92 × 131,700.44
  4. Step 4: Simplify right side
    239,130.43x = 43,463,109,474.20
  5. Step 5: Solve for x
    x = 43,463,109,474.20/239,130.43
  6. Step 6: Final answer
    x = 181,754.82

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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.