Home / 190,478.42-285,466.93-106,278.21

Finding the Fourth Proportional to 190,478.42, 285,466.93 and 106,278.21

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Solution

The fourth proportional to 190,478.42, 285,466.93 and 106,278.21 is: 159,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,478.42 : 285,466.93 = 106,278.21 : x
  2. Step 2: Convert to fraction form
    190,478.42/285,466.93 = 106,278.21/x
  3. Step 3: Cross multiply
    190,478.42x = 285,466.93 × 106,278.21
  4. Step 4: Simplify right side
    190,478.42x = 30,338,914,334.60
  5. Step 5: Solve for x
    x = 30,338,914,334.60/190,478.42
  6. Step 6: Final answer
    x = 159,277.44

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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.