Home / 180,485.40-270,653.52-68,146.56

Finding the Fourth Proportional to 180,485.40, 270,653.52 and 68,146.56

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Solution

The fourth proportional to 180,485.40, 270,653.52 and 68,146.56 is: 102,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,485.40 : 270,653.52 = 68,146.56 : x
  2. Step 2: Convert to fraction form
    180,485.40/270,653.52 = 68,146.56/x
  3. Step 3: Cross multiply
    180,485.40x = 270,653.52 × 68,146.56
  4. Step 4: Simplify right side
    180,485.40x = 18,444,106,339.89
  5. Step 5: Solve for x
    x = 18,444,106,339.89/180,485.40
  6. Step 6: Final answer
    x = 102,191.68

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1.5x scale

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.