Home / 112,626.32-168,939.35-51,830.47

Finding the Fourth Proportional to 112,626.32, 168,939.35 and 51,830.47

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Solution

The fourth proportional to 112,626.32, 168,939.35 and 51,830.47 is: 77,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,626.32 : 168,939.35 = 51,830.47 : x
  2. Step 2: Convert to fraction form
    112,626.32/168,939.35 = 51,830.47/x
  3. Step 3: Cross multiply
    112,626.32x = 168,939.35 × 51,830.47
  4. Step 4: Simplify right side
    112,626.32x = 8,756,204,808.15
  5. Step 5: Solve for x
    x = 8,756,204,808.15/112,626.32
  6. Step 6: Final answer
    x = 77,745.64

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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.