Home / 144,251.21-199,056.24-79,719.67

Finding the Fourth Proportional to 144,251.21, 199,056.24 and 79,719.67

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Solution

The fourth proportional to 144,251.21, 199,056.24 and 79,719.67 is: 110,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,251.21 : 199,056.24 = 79,719.67 : x
  2. Step 2: Convert to fraction form
    144,251.21/199,056.24 = 79,719.67/x
  3. Step 3: Cross multiply
    144,251.21x = 199,056.24 × 79,719.67
  4. Step 4: Simplify right side
    144,251.21x = 15,868,697,764.24
  5. Step 5: Solve for x
    x = 15,868,697,764.24/144,251.21
  6. Step 6: Final answer
    x = 110,007.38

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1.5x scale

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.