Home / 100,849.51-151,270.62-30,727

Finding the Fourth Proportional to 100,849.51, 151,270.62 and 30,727

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Solution

The fourth proportional to 100,849.51, 151,270.62 and 30,727 is: 46,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,849.51 : 151,270.62 = 30,727 : x
  2. Step 2: Convert to fraction form
    100,849.51/151,270.62 = 30,727/x
  3. Step 3: Cross multiply
    100,849.51x = 151,270.62 × 30,727
  4. Step 4: Simplify right side
    100,849.51x = 4,648,092,340.74
  5. Step 5: Solve for x
    x = 4,648,092,340.74/100,849.51
  6. Step 6: Final answer
    x = 46,089.39

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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.