Home / 202,419.28-279,317.40-117,519.76

Finding the Fourth Proportional to 202,419.28, 279,317.40 and 117,519.76

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Solution

The fourth proportional to 202,419.28, 279,317.40 and 117,519.76 is: 162,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,419.28 : 279,317.40 = 117,519.76 : x
  2. Step 2: Convert to fraction form
    202,419.28/279,317.40 = 117,519.76/x
  3. Step 3: Cross multiply
    202,419.28x = 279,317.40 × 117,519.76
  4. Step 4: Simplify right side
    202,419.28x = 32,825,313,811.82
  5. Step 5: Solve for x
    x = 32,825,313,811.82/202,419.28
  6. Step 6: Final answer
    x = 162,164.96

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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.