Home / 190,055.74-285,137.43-95,171.38

Finding the Fourth Proportional to 190,055.74, 285,137.43 and 95,171.38

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Solution

The fourth proportional to 190,055.74, 285,137.43 and 95,171.38 is: 142,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,055.74 : 285,137.43 = 95,171.38 : x
  2. Step 2: Convert to fraction form
    190,055.74/285,137.43 = 95,171.38/x
  3. Step 3: Cross multiply
    190,055.74x = 285,137.43 × 95,171.38
  4. Step 4: Simplify right side
    190,055.74x = 27,136,922,702.75
  5. Step 5: Solve for x
    x = 27,136,922,702.75/190,055.74
  6. Step 6: Final answer
    x = 142,784.02

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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.