Home / 190,522.95-285,726.05-131,736.39

Finding the Fourth Proportional to 190,522.95, 285,726.05 and 131,736.39

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Solution

The fourth proportional to 190,522.95, 285,726.05 and 131,736.39 is: 197,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,522.95 : 285,726.05 = 131,736.39 : x
  2. Step 2: Convert to fraction form
    190,522.95/285,726.05 = 131,736.39/x
  3. Step 3: Cross multiply
    190,522.95x = 285,726.05 × 131,736.39
  4. Step 4: Simplify right side
    190,522.95x = 37,640,517,119.82
  5. Step 5: Solve for x
    x = 37,640,517,119.82/190,522.95
  6. Step 6: Final answer
    x = 197,564.22

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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.