Home / 148,863.41-205,432.43-80,880.34

Finding the Fourth Proportional to 148,863.41, 205,432.43 and 80,880.34

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Solution

The fourth proportional to 148,863.41, 205,432.43 and 80,880.34 is: 111,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,863.41 : 205,432.43 = 80,880.34 : x
  2. Step 2: Convert to fraction form
    148,863.41/205,432.43 = 80,880.34/x
  3. Step 3: Cross multiply
    148,863.41x = 205,432.43 × 80,880.34
  4. Step 4: Simplify right side
    148,863.41x = 16,615,445,238.44
  5. Step 5: Solve for x
    x = 16,615,445,238.44/148,863.41
  6. Step 6: Final answer
    x = 111,615.38

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1.5x scale

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.