Home / 74,150.12-111,225.18-18,746.12

Finding the Fourth Proportional to 74,150.12, 111,225.18 and 18,746.12

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Solution

The fourth proportional to 74,150.12, 111,225.18 and 18,746.12 is: 28,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.12 : 111,225.18 = 18,746.12 : x
  2. Step 2: Convert to fraction form
    74,150.12/111,225.18 = 18,746.12/x
  3. Step 3: Cross multiply
    74,150.12x = 111,225.18 × 18,746.12
  4. Step 4: Simplify right side
    74,150.12x = 2,085,040,571.30
  5. Step 5: Solve for x
    x = 2,085,040,571.30/74,150.12
  6. Step 6: Final answer
    x = 28,119.18

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Similar ratio
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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.