Home / 111,515.60-167,218.05-40,435.40

Finding the Fourth Proportional to 111,515.60, 167,218.05 and 40,435.40

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Solution

The fourth proportional to 111,515.60, 167,218.05 and 40,435.40 is: 60,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,515.60 : 167,218.05 = 40,435.40 : x
  2. Step 2: Convert to fraction form
    111,515.60/167,218.05 = 40,435.40/x
  3. Step 3: Cross multiply
    111,515.60x = 167,218.05 × 40,435.40
  4. Step 4: Simplify right side
    111,515.60x = 6,761,528,738.97
  5. Step 5: Solve for x
    x = 6,761,528,738.97/111,515.60
  6. Step 6: Final answer
    x = 60,633.03

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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.