Home / 121,444.04-180,958.78-108,194.60

Finding the Fourth Proportional to 121,444.04, 180,958.78 and 108,194.60

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Solution

The fourth proportional to 121,444.04, 180,958.78 and 108,194.60 is: 161,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,444.04 : 180,958.78 = 108,194.60 : x
  2. Step 2: Convert to fraction form
    121,444.04/180,958.78 = 108,194.60/x
  3. Step 3: Cross multiply
    121,444.04x = 180,958.78 × 108,194.60
  4. Step 4: Simplify right side
    121,444.04x = 19,578,762,818.59
  5. Step 5: Solve for x
    x = 19,578,762,818.59/121,444.04
  6. Step 6: Final answer
    x = 161,216.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.