Home / 223,236.68-308,071.78-121,266.19

Finding the Fourth Proportional to 223,236.68, 308,071.78 and 121,266.19

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Solution

The fourth proportional to 223,236.68, 308,071.78 and 121,266.19 is: 167,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,236.68 : 308,071.78 = 121,266.19 : x
  2. Step 2: Convert to fraction form
    223,236.68/308,071.78 = 121,266.19/x
  3. Step 3: Cross multiply
    223,236.68x = 308,071.78 × 121,266.19
  4. Step 4: Simplify right side
    223,236.68x = 37,358,689,933.77
  5. Step 5: Solve for x
    x = 37,358,689,933.77/223,236.68
  6. Step 6: Final answer
    x = 167,350.14

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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.