Home / 149,754.20-224,518.92-90,577.76

Finding the Fourth Proportional to 149,754.20, 224,518.92 and 90,577.76

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Solution

The fourth proportional to 149,754.20, 224,518.92 and 90,577.76 is: 135,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,754.20 : 224,518.92 = 90,577.76 : x
  2. Step 2: Convert to fraction form
    149,754.20/224,518.92 = 90,577.76/x
  3. Step 3: Cross multiply
    149,754.20x = 224,518.92 × 90,577.76
  4. Step 4: Simplify right side
    149,754.20x = 20,336,420,851.22
  5. Step 5: Solve for x
    x = 20,336,420,851.22/149,754.20
  6. Step 6: Final answer
    x = 135,798.67

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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.