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Finding the Fourth Proportional to 156,958, 216,595 and 88,974

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Solution

The fourth proportional to 156,958, 216,595 and 88,974 is: 122,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,958 : 216,595 = 88,974 : x
  2. Step 2: Convert to fraction form
    156,958/216,595 = 88,974/x
  3. Step 3: Cross multiply
    156,958x = 216,595 × 88,974
  4. Step 4: Simplify right side
    156,958x = 19,271,323,530
  5. Step 5: Solve for x
    x = 19,271,323,530/156,958
  6. Step 6: Final answer
    x = 122,780.13

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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.