Home / 121,509.22-167,682.18-67,794.30

Finding the Fourth Proportional to 121,509.22, 167,682.18 and 67,794.30

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Solution

The fourth proportional to 121,509.22, 167,682.18 and 67,794.30 is: 93,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,509.22 : 167,682.18 = 67,794.30 : x
  2. Step 2: Convert to fraction form
    121,509.22/167,682.18 = 67,794.30/x
  3. Step 3: Cross multiply
    121,509.22x = 167,682.18 × 67,794.30
  4. Step 4: Simplify right side
    121,509.22x = 11,367,896,015.57
  5. Step 5: Solve for x
    x = 11,367,896,015.57/121,509.22
  6. Step 6: Final answer
    x = 93,555.83

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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.