Home / 190,467.60-285,704.22-72,107.16

Finding the Fourth Proportional to 190,467.60, 285,704.22 and 72,107.16

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Solution

The fourth proportional to 190,467.60, 285,704.22 and 72,107.16 is: 108,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,467.60 : 285,704.22 = 72,107.16 : x
  2. Step 2: Convert to fraction form
    190,467.60/285,704.22 = 72,107.16/x
  3. Step 3: Cross multiply
    190,467.60x = 285,704.22 × 72,107.16
  4. Step 4: Simplify right side
    190,467.60x = 20,601,319,904.22
  5. Step 5: Solve for x
    x = 20,601,319,904.22/190,467.60
  6. Step 6: Final answer
    x = 108,161.81

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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.