Home / 119,944.64-165,537.64-99,765.92

Finding the Fourth Proportional to 119,944.64, 165,537.64 and 99,765.92

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Solution

The fourth proportional to 119,944.64, 165,537.64 and 99,765.92 is: 137,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,944.64 : 165,537.64 = 99,765.92 : x
  2. Step 2: Convert to fraction form
    119,944.64/165,537.64 = 99,765.92/x
  3. Step 3: Cross multiply
    119,944.64x = 165,537.64 × 99,765.92
  4. Step 4: Simplify right side
    119,944.64x = 16,515,014,949.23
  5. Step 5: Solve for x
    x = 16,515,014,949.23/119,944.64
  6. Step 6: Final answer
    x = 137,688.64

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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.