Home / 202,486.28-279,429.40-110,605.64

Finding the Fourth Proportional to 202,486.28, 279,429.40 and 110,605.64

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Solution

The fourth proportional to 202,486.28, 279,429.40 and 110,605.64 is: 152,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,486.28 : 279,429.40 = 110,605.64 : x
  2. Step 2: Convert to fraction form
    202,486.28/279,429.40 = 110,605.64/x
  3. Step 3: Cross multiply
    202,486.28x = 279,429.40 × 110,605.64
  4. Step 4: Simplify right side
    202,486.28x = 30,906,467,621.82
  5. Step 5: Solve for x
    x = 30,906,467,621.82/202,486.28
  6. Step 6: Final answer
    x = 152,634.87

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1.5x scale

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.