Home / 239,425.21-330,408.93-131,999.05

Finding the Fourth Proportional to 239,425.21, 330,408.93 and 131,999.05

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Solution

The fourth proportional to 239,425.21, 330,408.93 and 131,999.05 is: 182,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,425.21 : 330,408.93 = 131,999.05 : x
  2. Step 2: Convert to fraction form
    239,425.21/330,408.93 = 131,999.05/x
  3. Step 3: Cross multiply
    239,425.21x = 330,408.93 × 131,999.05
  4. Step 4: Simplify right side
    239,425.21x = 43,613,664,871.52
  5. Step 5: Solve for x
    x = 43,613,664,871.52/239,425.21
  6. Step 6: Final answer
    x = 182,159.87

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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.