Home / 239,415.41-330,408.15-131,985.25

Finding the Fourth Proportional to 239,415.41, 330,408.15 and 131,985.25

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Solution

The fourth proportional to 239,415.41, 330,408.15 and 131,985.25 is: 182,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,415.41 : 330,408.15 = 131,985.25 : x
  2. Step 2: Convert to fraction form
    239,415.41/330,408.15 = 131,985.25/x
  3. Step 3: Cross multiply
    239,415.41x = 330,408.15 × 131,985.25
  4. Step 4: Simplify right side
    239,415.41x = 43,609,000,958.82
  5. Step 5: Solve for x
    x = 43,609,000,958.82/239,415.41
  6. Step 6: Final answer
    x = 182,147.84

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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.