Home / 190,348.48-285,412.04-72,028.96

Finding the Fourth Proportional to 190,348.48, 285,412.04 and 72,028.96

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Solution

The fourth proportional to 190,348.48, 285,412.04 and 72,028.96 is: 108,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,348.48 : 285,412.04 = 72,028.96 : x
  2. Step 2: Convert to fraction form
    190,348.48/285,412.04 = 72,028.96/x
  3. Step 3: Cross multiply
    190,348.48x = 285,412.04 × 72,028.96
  4. Step 4: Simplify right side
    190,348.48x = 20,557,932,412.68
  5. Step 5: Solve for x
    x = 20,557,932,412.68/190,348.48
  6. Step 6: Final answer
    x = 108,001.56

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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.