Home / 239,298.63-330,234.33-131,872.50

Finding the Fourth Proportional to 239,298.63, 330,234.33 and 131,872.50

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Solution

The fourth proportional to 239,298.63, 330,234.33 and 131,872.50 is: 181,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,298.63 : 330,234.33 = 131,872.50 : x
  2. Step 2: Convert to fraction form
    239,298.63/330,234.33 = 131,872.50/x
  3. Step 3: Cross multiply
    239,298.63x = 330,234.33 × 131,872.50
  4. Step 4: Simplify right side
    239,298.63x = 43,548,826,682.93
  5. Step 5: Solve for x
    x = 43,548,826,682.93/239,298.63
  6. Step 6: Final answer
    x = 181,985.27

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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.