Home / 121,205.25-167,259.87-67,490.24

Finding the Fourth Proportional to 121,205.25, 167,259.87 and 67,490.24

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Solution

The fourth proportional to 121,205.25, 167,259.87 and 67,490.24 is: 93,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,205.25 : 167,259.87 = 67,490.24 : x
  2. Step 2: Convert to fraction form
    121,205.25/167,259.87 = 67,490.24/x
  3. Step 3: Cross multiply
    121,205.25x = 167,259.87 × 67,490.24
  4. Step 4: Simplify right side
    121,205.25x = 11,288,407,932.37
  5. Step 5: Solve for x
    x = 11,288,407,932.37/121,205.25
  6. Step 6: Final answer
    x = 93,134.65

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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.