Home / 149,540.61-206,545.23-109,190.46

Finding the Fourth Proportional to 149,540.61, 206,545.23 and 109,190.46

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Solution

The fourth proportional to 149,540.61, 206,545.23 and 109,190.46 is: 150,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,540.61 : 206,545.23 = 109,190.46 : x
  2. Step 2: Convert to fraction form
    149,540.61/206,545.23 = 109,190.46/x
  3. Step 3: Cross multiply
    149,540.61x = 206,545.23 × 109,190.46
  4. Step 4: Simplify right side
    149,540.61x = 22,552,768,674.51
  5. Step 5: Solve for x
    x = 22,552,768,674.51/149,540.61
  6. Step 6: Final answer
    x = 150,813.67

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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.