Home / 131,244.63-196,682.39-75,000.45

Finding the Fourth Proportional to 131,244.63, 196,682.39 and 75,000.45

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Solution

The fourth proportional to 131,244.63, 196,682.39 and 75,000.45 is: 112,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,244.63 : 196,682.39 = 75,000.45 : x
  2. Step 2: Convert to fraction form
    131,244.63/196,682.39 = 75,000.45/x
  3. Step 3: Cross multiply
    131,244.63x = 196,682.39 × 75,000.45
  4. Step 4: Simplify right side
    131,244.63x = 14,751,267,757.08
  5. Step 5: Solve for x
    x = 14,751,267,757.08/131,244.63
  6. Step 6: Final answer
    x = 112,395.21

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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.