Home / 204,147.79-306,283.93-104,378.04

Finding the Fourth Proportional to 204,147.79, 306,283.93 and 104,378.04

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Solution

The fourth proportional to 204,147.79, 306,283.93 and 104,378.04 is: 156,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,147.79 : 306,283.93 = 104,378.04 : x
  2. Step 2: Convert to fraction form
    204,147.79/306,283.93 = 104,378.04/x
  3. Step 3: Cross multiply
    204,147.79x = 306,283.93 × 104,378.04
  4. Step 4: Simplify right side
    204,147.79x = 31,969,316,035.95
  5. Step 5: Solve for x
    x = 31,969,316,035.95/204,147.79
  6. Step 6: Final answer
    x = 156,598.89

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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.