Home / 119,898.10-165,459.41-66,183.15

Finding the Fourth Proportional to 119,898.10, 165,459.41 and 66,183.15

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Solution

The fourth proportional to 119,898.10, 165,459.41 and 66,183.15 is: 91,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,898.10 : 165,459.41 = 66,183.15 : x
  2. Step 2: Convert to fraction form
    119,898.10/165,459.41 = 66,183.15/x
  3. Step 3: Cross multiply
    119,898.10x = 165,459.41 × 66,183.15
  4. Step 4: Simplify right side
    119,898.10x = 10,950,624,950.94
  5. Step 5: Solve for x
    x = 10,950,624,950.94/119,898.10
  6. Step 6: Final answer
    x = 91,332.76

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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.