Home / 100,215.36-150,118.84-47,464.92

Finding the Fourth Proportional to 100,215.36, 150,118.84 and 47,464.92

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Solution

The fourth proportional to 100,215.36, 150,118.84 and 47,464.92 is: 71,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,215.36 : 150,118.84 = 47,464.92 : x
  2. Step 2: Convert to fraction form
    100,215.36/150,118.84 = 47,464.92/x
  3. Step 3: Cross multiply
    100,215.36x = 150,118.84 × 47,464.92
  4. Step 4: Simplify right side
    100,215.36x = 7,125,378,731.09
  5. Step 5: Solve for x
    x = 7,125,378,731.09/100,215.36
  6. Step 6: Final answer
    x = 71,100.66

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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.