Home / 148,824.02-205,378.68-80,842.31

Finding the Fourth Proportional to 148,824.02, 205,378.68 and 80,842.31

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Solution

The fourth proportional to 148,824.02, 205,378.68 and 80,842.31 is: 111,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,824.02 : 205,378.68 = 80,842.31 : x
  2. Step 2: Convert to fraction form
    148,824.02/205,378.68 = 80,842.31/x
  3. Step 3: Cross multiply
    148,824.02x = 205,378.68 × 80,842.31
  4. Step 4: Simplify right side
    148,824.02x = 16,603,286,915.95
  5. Step 5: Solve for x
    x = 16,603,286,915.95/148,824.02
  6. Step 6: Final answer
    x = 111,563.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.