Home / 141,421.75-212,521.42-132,174.79

Finding the Fourth Proportional to 141,421.75, 212,521.42 and 132,174.79

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Solution

The fourth proportional to 141,421.75, 212,521.42 and 132,174.79 is: 198,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,421.75 : 212,521.42 = 132,174.79 : x
  2. Step 2: Convert to fraction form
    141,421.75/212,521.42 = 132,174.79/x
  3. Step 3: Cross multiply
    141,421.75x = 212,521.42 × 132,174.79
  4. Step 4: Simplify right side
    141,421.75x = 28,089,973,692.92
  5. Step 5: Solve for x
    x = 28,089,973,692.92/141,421.75
  6. Step 6: Final answer
    x = 198,625.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.