Home / 180,440.46-270,688.02-130,894.43

Finding the Fourth Proportional to 180,440.46, 270,688.02 and 130,894.43

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Solution

The fourth proportional to 180,440.46, 270,688.02 and 130,894.43 is: 196,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,440.46 : 270,688.02 = 130,894.43 : x
  2. Step 2: Convert to fraction form
    180,440.46/270,688.02 = 130,894.43/x
  3. Step 3: Cross multiply
    180,440.46x = 270,688.02 × 130,894.43
  4. Step 4: Simplify right side
    180,440.46x = 35,431,552,732.29
  5. Step 5: Solve for x
    x = 35,431,552,732.29/180,440.46
  6. Step 6: Final answer
    x = 196,361.46

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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.