Home / 239,298.60-330,234.30-131,872.49

Finding the Fourth Proportional to 239,298.60, 330,234.30 and 131,872.49

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Solution

The fourth proportional to 239,298.60, 330,234.30 and 131,872.49 is: 181,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,298.60 : 330,234.30 = 131,872.49 : x
  2. Step 2: Convert to fraction form
    239,298.60/330,234.30 = 131,872.49/x
  3. Step 3: Cross multiply
    239,298.60x = 330,234.30 × 131,872.49
  4. Step 4: Simplify right side
    239,298.60x = 43,548,817,113.87
  5. Step 5: Solve for x
    x = 43,548,817,113.87/239,298.60
  6. Step 6: Final answer
    x = 181,985.26

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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.