Home / 190,396.15-285,597.26-72,035.71

Finding the Fourth Proportional to 190,396.15, 285,597.26 and 72,035.71

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Solution

The fourth proportional to 190,396.15, 285,597.26 and 72,035.71 is: 108,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,396.15 : 285,597.26 = 72,035.71 : x
  2. Step 2: Convert to fraction form
    190,396.15/285,597.26 = 72,035.71/x
  3. Step 3: Cross multiply
    190,396.15x = 285,597.26 × 72,035.71
  4. Step 4: Simplify right side
    190,396.15x = 20,573,200,594.12
  5. Step 5: Solve for x
    x = 20,573,200,594.12/190,396.15
  6. Step 6: Final answer
    x = 108,054.71

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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.