Home / 190,131.95-285,478.28-106,056.38

Finding the Fourth Proportional to 190,131.95, 285,478.28 and 106,056.38

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Solution

The fourth proportional to 190,131.95, 285,478.28 and 106,056.38 is: 159,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,131.95 : 285,478.28 = 106,056.38 : x
  2. Step 2: Convert to fraction form
    190,131.95/285,478.28 = 106,056.38/x
  3. Step 3: Cross multiply
    190,131.95x = 285,478.28 × 106,056.38
  4. Step 4: Simplify right side
    190,131.95x = 30,276,790,987.75
  5. Step 5: Solve for x
    x = 30,276,790,987.75/190,131.95
  6. Step 6: Final answer
    x = 159,240.95

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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.