Home / 100,993.08-151,515.52-30,872.18

Finding the Fourth Proportional to 100,993.08, 151,515.52 and 30,872.18

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Solution

The fourth proportional to 100,993.08, 151,515.52 and 30,872.18 is: 46,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,993.08 : 151,515.52 = 30,872.18 : x
  2. Step 2: Convert to fraction form
    100,993.08/151,515.52 = 30,872.18/x
  3. Step 3: Cross multiply
    100,993.08x = 151,515.52 × 30,872.18
  4. Step 4: Simplify right side
    100,993.08x = 4,677,614,406.23
  5. Step 5: Solve for x
    x = 4,677,614,406.23/100,993.08
  6. Step 6: Final answer
    x = 46,316.19

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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.