Home / 131,172.60-196,765.05-42,433.05

Finding the Fourth Proportional to 131,172.60, 196,765.05 and 42,433.05

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Solution

The fourth proportional to 131,172.60, 196,765.05 and 42,433.05 is: 63,651.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,172.60 : 196,765.05 = 42,433.05 : x
  2. Step 2: Convert to fraction form
    131,172.60/196,765.05 = 42,433.05/x
  3. Step 3: Cross multiply
    131,172.60x = 196,765.05 × 42,433.05
  4. Step 4: Simplify right side
    131,172.60x = 8,349,340,756.41
  5. Step 5: Solve for x
    x = 8,349,340,756.41/131,172.60
  6. Step 6: Final answer
    x = 63,651.56

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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.