Home / 147,247.76-220,435.26-90,906.72

Finding the Fourth Proportional to 147,247.76, 220,435.26 and 90,906.72

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Solution

The fourth proportional to 147,247.76, 220,435.26 and 90,906.72 is: 136,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,247.76 : 220,435.26 = 90,906.72 : x
  2. Step 2: Convert to fraction form
    147,247.76/220,435.26 = 90,906.72/x
  3. Step 3: Cross multiply
    147,247.76x = 220,435.26 × 90,906.72
  4. Step 4: Simplify right side
    147,247.76x = 20,039,046,458.95
  5. Step 5: Solve for x
    x = 20,039,046,458.95/147,247.76
  6. Step 6: Final answer
    x = 136,090.67

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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.