Home / 144,748.42-199,752.68-81,086.67

Finding the Fourth Proportional to 144,748.42, 199,752.68 and 81,086.67

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Solution

The fourth proportional to 144,748.42, 199,752.68 and 81,086.67 is: 111,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,748.42 : 199,752.68 = 81,086.67 : x
  2. Step 2: Convert to fraction form
    144,748.42/199,752.68 = 81,086.67/x
  3. Step 3: Cross multiply
    144,748.42x = 199,752.68 × 81,086.67
  4. Step 4: Simplify right side
    144,748.42x = 16,197,279,847.49
  5. Step 5: Solve for x
    x = 16,197,279,847.49/144,748.42
  6. Step 6: Final answer
    x = 111,899.53

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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.