Home / 162,517.58-243,573.24-78,262.04

Finding the Fourth Proportional to 162,517.58, 243,573.24 and 78,262.04

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Solution

The fourth proportional to 162,517.58, 243,573.24 and 78,262.04 is: 117,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,517.58 : 243,573.24 = 78,262.04 : x
  2. Step 2: Convert to fraction form
    162,517.58/243,573.24 = 78,262.04/x
  3. Step 3: Cross multiply
    162,517.58x = 243,573.24 × 78,262.04
  4. Step 4: Simplify right side
    162,517.58x = 19,062,538,651.81
  5. Step 5: Solve for x
    x = 19,062,538,651.81/162,517.58
  6. Step 6: Final answer
    x = 117,295.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.