Home / 131,783.90-197,600.11-40,575.67

Finding the Fourth Proportional to 131,783.90, 197,600.11 and 40,575.67

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Solution

The fourth proportional to 131,783.90, 197,600.11 and 40,575.67 is: 60,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,783.90 : 197,600.11 = 40,575.67 : x
  2. Step 2: Convert to fraction form
    131,783.90/197,600.11 = 40,575.67/x
  3. Step 3: Cross multiply
    131,783.90x = 197,600.11 × 40,575.67
  4. Step 4: Simplify right side
    131,783.90x = 8,017,756,259.88
  5. Step 5: Solve for x
    x = 8,017,756,259.88/131,783.90
  6. Step 6: Final answer
    x = 60,840.18

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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.