Home / 100,698.24-151,037.56-30,578.16

Finding the Fourth Proportional to 100,698.24, 151,037.56 and 30,578.16

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Solution

The fourth proportional to 100,698.24, 151,037.56 and 30,578.16 is: 45,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,698.24 : 151,037.56 = 30,578.16 : x
  2. Step 2: Convert to fraction form
    100,698.24/151,037.56 = 30,578.16/x
  3. Step 3: Cross multiply
    100,698.24x = 151,037.56 × 30,578.16
  4. Step 4: Simplify right side
    100,698.24x = 4,618,450,675.69
  5. Step 5: Solve for x
    x = 4,618,450,675.69/100,698.24
  6. Step 6: Final answer
    x = 45,864.26

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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.