Home / 145,745.56-218,618.39-112,514.14

Finding the Fourth Proportional to 145,745.56, 218,618.39 and 112,514.14

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Solution

The fourth proportional to 145,745.56, 218,618.39 and 112,514.14 is: 168,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,745.56 : 218,618.39 = 112,514.14 : x
  2. Step 2: Convert to fraction form
    145,745.56/218,618.39 = 112,514.14/x
  3. Step 3: Cross multiply
    145,745.56x = 218,618.39 × 112,514.14
  4. Step 4: Simplify right side
    145,745.56x = 24,597,660,139.03
  5. Step 5: Solve for x
    x = 24,597,660,139.03/145,745.56
  6. Step 6: Final answer
    x = 168,771.25

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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.