Home / 121,305.37-167,399.18-67,589.23

Finding the Fourth Proportional to 121,305.37, 167,399.18 and 67,589.23

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Solution

The fourth proportional to 121,305.37, 167,399.18 and 67,589.23 is: 93,271.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,305.37 : 167,399.18 = 67,589.23 : x
  2. Step 2: Convert to fraction form
    121,305.37/167,399.18 = 67,589.23/x
  3. Step 3: Cross multiply
    121,305.37x = 167,399.18 × 67,589.23
  4. Step 4: Simplify right side
    121,305.37x = 11,314,380,922.39
  5. Step 5: Solve for x
    x = 11,314,380,922.39/121,305.37
  6. Step 6: Final answer
    x = 93,271.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.