Home / 190,454.88-285,685.32-72,094.44

Finding the Fourth Proportional to 190,454.88, 285,685.32 and 72,094.44

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Solution

The fourth proportional to 190,454.88, 285,685.32 and 72,094.44 is: 108,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,454.88 : 285,685.32 = 72,094.44 : x
  2. Step 2: Convert to fraction form
    190,454.88/285,685.32 = 72,094.44/x
  3. Step 3: Cross multiply
    190,454.88x = 285,685.32 × 72,094.44
  4. Step 4: Simplify right side
    190,454.88x = 20,596,323,161.62
  5. Step 5: Solve for x
    x = 20,596,323,161.62/190,454.88
  6. Step 6: Final answer
    x = 108,142.80

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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.