Home / 100,451.28-150,677.64-46,410.96

Finding the Fourth Proportional to 100,451.28, 150,677.64 and 46,410.96

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Solution

The fourth proportional to 100,451.28, 150,677.64 and 46,410.96 is: 69,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,451.28 : 150,677.64 = 46,410.96 : x
  2. Step 2: Convert to fraction form
    100,451.28/150,677.64 = 46,410.96/x
  3. Step 3: Cross multiply
    100,451.28x = 150,677.64 × 46,410.96
  4. Step 4: Simplify right side
    100,451.28x = 6,993,093,922.93
  5. Step 5: Solve for x
    x = 6,993,093,922.93/100,451.28
  6. Step 6: Final answer
    x = 69,616.77

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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.