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Finding the Fourth Proportional to 202,157.58, 278,955.14 and 117,258.24

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Solution

The fourth proportional to 202,157.58, 278,955.14 and 117,258.24 is: 161,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,157.58 : 278,955.14 = 117,258.24 : x
  2. Step 2: Convert to fraction form
    202,157.58/278,955.14 = 117,258.24/x
  3. Step 3: Cross multiply
    202,157.58x = 278,955.14 × 117,258.24
  4. Step 4: Simplify right side
    202,157.58x = 32,709,788,755.35
  5. Step 5: Solve for x
    x = 32,709,788,755.35/202,157.58
  6. Step 6: Final answer
    x = 161,803.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.