Home / 121,454.04-180,973.70-108,204.60

Finding the Fourth Proportional to 121,454.04, 180,973.70 and 108,204.60

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Solution

The fourth proportional to 121,454.04, 180,973.70 and 108,204.60 is: 161,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,454.04 : 180,973.70 = 108,204.60 : x
  2. Step 2: Convert to fraction form
    121,454.04/180,973.70 = 108,204.60/x
  3. Step 3: Cross multiply
    121,454.04x = 180,973.70 × 108,204.60
  4. Step 4: Simplify right side
    121,454.04x = 19,582,186,819.02
  5. Step 5: Solve for x
    x = 19,582,186,819.02/121,454.04
  6. Step 6: Final answer
    x = 161,231.25

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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.