Home / 190,100.13-285,150.20-49,858.75

Finding the Fourth Proportional to 190,100.13, 285,150.20 and 49,858.75

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Solution

The fourth proportional to 190,100.13, 285,150.20 and 49,858.75 is: 74,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,100.13 : 285,150.20 = 49,858.75 : x
  2. Step 2: Convert to fraction form
    190,100.13/285,150.20 = 49,858.75/x
  3. Step 3: Cross multiply
    190,100.13x = 285,150.20 × 49,858.75
  4. Step 4: Simplify right side
    190,100.13x = 14,217,232,534.25
  5. Step 5: Solve for x
    x = 14,217,232,534.25/190,100.13
  6. Step 6: Final answer
    x = 74,788.13

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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.