Home / 121,892.04-182,313.18-108,478.44

Finding the Fourth Proportional to 121,892.04, 182,313.18 and 108,478.44

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Solution

The fourth proportional to 121,892.04, 182,313.18 and 108,478.44 is: 162,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,892.04 : 182,313.18 = 108,478.44 : x
  2. Step 2: Convert to fraction form
    121,892.04/182,313.18 = 108,478.44/x
  3. Step 3: Cross multiply
    121,892.04x = 182,313.18 × 108,478.44
  4. Step 4: Simplify right side
    121,892.04x = 19,777,049,357.84
  5. Step 5: Solve for x
    x = 19,777,049,357.84/121,892.04
  6. Step 6: Final answer
    x = 162,250.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.