Home / 112,120.07-168,246.38-45,555.08

Finding the Fourth Proportional to 112,120.07, 168,246.38 and 45,555.08

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Solution

The fourth proportional to 112,120.07, 168,246.38 and 45,555.08 is: 68,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,120.07 : 168,246.38 = 45,555.08 : x
  2. Step 2: Convert to fraction form
    112,120.07/168,246.38 = 45,555.08/x
  3. Step 3: Cross multiply
    112,120.07x = 168,246.38 × 45,555.08
  4. Step 4: Simplify right side
    112,120.07x = 7,664,476,573.27
  5. Step 5: Solve for x
    x = 7,664,476,573.27/112,120.07
  6. Step 6: Final answer
    x = 68,359.54

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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.