Home / 101,015.12-151,512.60-30,895.04

Finding the Fourth Proportional to 101,015.12, 151,512.60 and 30,895.04

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Solution

The fourth proportional to 101,015.12, 151,512.60 and 30,895.04 is: 46,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,015.12 : 151,512.60 = 30,895.04 : x
  2. Step 2: Convert to fraction form
    101,015.12/151,512.60 = 30,895.04/x
  3. Step 3: Cross multiply
    101,015.12x = 151,512.60 × 30,895.04
  4. Step 4: Simplify right side
    101,015.12x = 4,680,987,837.50
  5. Step 5: Solve for x
    x = 4,680,987,837.50/101,015.12
  6. Step 6: Final answer
    x = 46,339.48

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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.