Home / 100,307.05-150,518.90-41,185.15

Finding the Fourth Proportional to 100,307.05, 150,518.90 and 41,185.15

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Solution

The fourth proportional to 100,307.05, 150,518.90 and 41,185.15 is: 61,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,307.05 : 150,518.90 = 41,185.15 : x
  2. Step 2: Convert to fraction form
    100,307.05/150,518.90 = 41,185.15/x
  3. Step 3: Cross multiply
    100,307.05x = 150,518.90 × 41,185.15
  4. Step 4: Simplify right side
    100,307.05x = 6,199,143,474.34
  5. Step 5: Solve for x
    x = 6,199,143,474.34/100,307.05
  6. Step 6: Final answer
    x = 61,801.67

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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.