Home / 143,008.20-197,352.18-79,347.24

Finding the Fourth Proportional to 143,008.20, 197,352.18 and 79,347.24

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Solution

The fourth proportional to 143,008.20, 197,352.18 and 79,347.24 is: 109,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,008.20 : 197,352.18 = 79,347.24 : x
  2. Step 2: Convert to fraction form
    143,008.20/197,352.18 = 79,347.24/x
  3. Step 3: Cross multiply
    143,008.20x = 197,352.18 × 79,347.24
  4. Step 4: Simplify right side
    143,008.20x = 15,659,350,790.98
  5. Step 5: Solve for x
    x = 15,659,350,790.98/143,008.20
  6. Step 6: Final answer
    x = 109,499.67

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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.