Home / 121,489.83-182,236.37-42,606.36

Finding the Fourth Proportional to 121,489.83, 182,236.37 and 42,606.36

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Solution

The fourth proportional to 121,489.83, 182,236.37 and 42,606.36 is: 63,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,489.83 : 182,236.37 = 42,606.36 : x
  2. Step 2: Convert to fraction form
    121,489.83/182,236.37 = 42,606.36/x
  3. Step 3: Cross multiply
    121,489.83x = 182,236.37 × 42,606.36
  4. Step 4: Simplify right side
    121,489.83x = 7,764,428,172.28
  5. Step 5: Solve for x
    x = 7,764,428,172.28/121,489.83
  6. Step 6: Final answer
    x = 63,910.11

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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.