Home / 239,298.48-330,234.12-131,872.37

Finding the Fourth Proportional to 239,298.48, 330,234.12 and 131,872.37

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Solution

The fourth proportional to 239,298.48, 330,234.12 and 131,872.37 is: 181,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,298.48 : 330,234.12 = 131,872.37 : x
  2. Step 2: Convert to fraction form
    239,298.48/330,234.12 = 131,872.37/x
  3. Step 3: Cross multiply
    239,298.48x = 330,234.12 × 131,872.37
  4. Step 4: Simplify right side
    239,298.48x = 43,548,754,408.09
  5. Step 5: Solve for x
    x = 43,548,754,408.09/239,298.48
  6. Step 6: Final answer
    x = 181,985.09

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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.