Home / 102,824.40-154,285.20-43,710.60

Finding the Fourth Proportional to 102,824.40, 154,285.20 and 43,710.60

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Solution

The fourth proportional to 102,824.40, 154,285.20 and 43,710.60 is: 65,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,824.40 : 154,285.20 = 43,710.60 : x
  2. Step 2: Convert to fraction form
    102,824.40/154,285.20 = 43,710.60/x
  3. Step 3: Cross multiply
    102,824.40x = 154,285.20 × 43,710.60
  4. Step 4: Simplify right side
    102,824.40x = 6,743,898,663.12
  5. Step 5: Solve for x
    x = 6,743,898,663.12/102,824.40
  6. Step 6: Final answer
    x = 65,586.56

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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.