Home / 190,483.79-285,474.98-106,283.60

Finding the Fourth Proportional to 190,483.79, 285,474.98 and 106,283.60

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Solution

The fourth proportional to 190,483.79, 285,474.98 and 106,283.60 is: 159,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,483.79 : 285,474.98 = 106,283.60 : x
  2. Step 2: Convert to fraction form
    190,483.79/285,474.98 = 106,283.60/x
  3. Step 3: Cross multiply
    190,483.79x = 285,474.98 × 106,283.60
  4. Step 4: Simplify right side
    190,483.79x = 30,341,307,422.66
  5. Step 5: Solve for x
    x = 30,341,307,422.66/190,483.79
  6. Step 6: Final answer
    x = 159,285.51

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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.