Home / 262,121.40-393,182.10-112,336.20

Finding the Fourth Proportional to 262,121.40, 393,182.10 and 112,336.20

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Solution

The fourth proportional to 262,121.40, 393,182.10 and 112,336.20 is: 168,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,121.40 : 393,182.10 = 112,336.20 : x
  2. Step 2: Convert to fraction form
    262,121.40/393,182.10 = 112,336.20/x
  3. Step 3: Cross multiply
    262,121.40x = 393,182.10 × 112,336.20
  4. Step 4: Simplify right side
    262,121.40x = 44,168,583,022.02
  5. Step 5: Solve for x
    x = 44,168,583,022.02/262,121.40
  6. Step 6: Final answer
    x = 168,504.30

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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.