Home / 117,898.28-162,699.64-64,183.29

Finding the Fourth Proportional to 117,898.28, 162,699.64 and 64,183.29

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Solution

The fourth proportional to 117,898.28, 162,699.64 and 64,183.29 is: 88,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,898.28 : 162,699.64 = 64,183.29 : x
  2. Step 2: Convert to fraction form
    117,898.28/162,699.64 = 64,183.29/x
  3. Step 3: Cross multiply
    117,898.28x = 162,699.64 × 64,183.29
  4. Step 4: Simplify right side
    117,898.28x = 10,442,597,406.43
  5. Step 5: Solve for x
    x = 10,442,597,406.43/117,898.28
  6. Step 6: Final answer
    x = 88,572.94

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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.