Home / 190,473.68-285,722.04-79,628.24

Finding the Fourth Proportional to 190,473.68, 285,722.04 and 79,628.24

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Solution

The fourth proportional to 190,473.68, 285,722.04 and 79,628.24 is: 119,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,473.68 : 285,722.04 = 79,628.24 : x
  2. Step 2: Convert to fraction form
    190,473.68/285,722.04 = 79,628.24/x
  3. Step 3: Cross multiply
    190,473.68x = 285,722.04 × 79,628.24
  4. Step 4: Simplify right side
    190,473.68x = 22,751,543,174.41
  5. Step 5: Solve for x
    x = 22,751,543,174.41/190,473.68
  6. Step 6: Final answer
    x = 119,447.18

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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.