Home / 189,898.20-262,173.24-118,375.14

Finding the Fourth Proportional to 189,898.20, 262,173.24 and 118,375.14

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Solution

The fourth proportional to 189,898.20, 262,173.24 and 118,375.14 is: 163,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,898.20 : 262,173.24 = 118,375.14 : x
  2. Step 2: Convert to fraction form
    189,898.20/262,173.24 = 118,375.14/x
  3. Step 3: Cross multiply
    189,898.20x = 262,173.24 × 118,375.14
  4. Step 4: Simplify right side
    189,898.20x = 31,034,793,989.25
  5. Step 5: Solve for x
    x = 31,034,793,989.25/189,898.20
  6. Step 6: Final answer
    x = 163,428.58

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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.