Home / 190,396.03-285,597.07-72,035.59

Finding the Fourth Proportional to 190,396.03, 285,597.07 and 72,035.59

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Solution

The fourth proportional to 190,396.03, 285,597.07 and 72,035.59 is: 108,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,396.03 : 285,597.07 = 72,035.59 : x
  2. Step 2: Convert to fraction form
    190,396.03/285,597.07 = 72,035.59/x
  3. Step 3: Cross multiply
    190,396.03x = 285,597.07 × 72,035.59
  4. Step 4: Simplify right side
    190,396.03x = 20,573,152,011.74
  5. Step 5: Solve for x
    x = 20,573,152,011.74/190,396.03
  6. Step 6: Final answer
    x = 108,054.52

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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.