Home / 100,404.37-150,607.64-30,284.29

Finding the Fourth Proportional to 100,404.37, 150,607.64 and 30,284.29

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Solution

The fourth proportional to 100,404.37, 150,607.64 and 30,284.29 is: 45,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,404.37 : 150,607.64 = 30,284.29 : x
  2. Step 2: Convert to fraction form
    100,404.37/150,607.64 = 30,284.29/x
  3. Step 3: Cross multiply
    100,404.37x = 150,607.64 × 30,284.29
  4. Step 4: Simplify right side
    100,404.37x = 4,561,045,445.98
  5. Step 5: Solve for x
    x = 4,561,045,445.98/100,404.37
  6. Step 6: Final answer
    x = 45,426.76

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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.