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Finding the Fourth Proportional to 100,129.98, 150,245.01 and 46,799.58

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Solution

The fourth proportional to 100,129.98, 150,245.01 and 46,799.58 is: 70,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,129.98 : 150,245.01 = 46,799.58 : x
  2. Step 2: Convert to fraction form
    100,129.98/150,245.01 = 46,799.58/x
  3. Step 3: Cross multiply
    100,129.98x = 150,245.01 × 46,799.58
  4. Step 4: Simplify right side
    100,129.98x = 7,031,403,365.10
  5. Step 5: Solve for x
    x = 7,031,403,365.10/100,129.98
  6. Step 6: Final answer
    x = 70,222.76

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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.