Home / 202,621.39-279,618.39-110,742.53

Finding the Fourth Proportional to 202,621.39, 279,618.39 and 110,742.53

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Solution

The fourth proportional to 202,621.39, 279,618.39 and 110,742.53 is: 152,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,621.39 : 279,618.39 = 110,742.53 : x
  2. Step 2: Convert to fraction form
    202,621.39/279,618.39 = 110,742.53/x
  3. Step 3: Cross multiply
    202,621.39x = 279,618.39 × 110,742.53
  4. Step 4: Simplify right side
    202,621.39x = 30,965,646,233.57
  5. Step 5: Solve for x
    x = 30,965,646,233.57/202,621.39
  6. Step 6: Final answer
    x = 152,825.16

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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.