Home / 112,137.40-168,219.54-45,563.32

Finding the Fourth Proportional to 112,137.40, 168,219.54 and 45,563.32

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Solution

The fourth proportional to 112,137.40, 168,219.54 and 45,563.32 is: 68,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,137.40 : 168,219.54 = 45,563.32 : x
  2. Step 2: Convert to fraction form
    112,137.40/168,219.54 = 45,563.32/x
  3. Step 3: Cross multiply
    112,137.40x = 168,219.54 × 45,563.32
  4. Step 4: Simplify right side
    112,137.40x = 7,664,640,731.27
  5. Step 5: Solve for x
    x = 7,664,640,731.27/112,137.40
  6. Step 6: Final answer
    x = 68,350.44

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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.