Home / 119,895.27-165,443.68-66,176.81

Finding the Fourth Proportional to 119,895.27, 165,443.68 and 66,176.81

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Solution

The fourth proportional to 119,895.27, 165,443.68 and 66,176.81 is: 91,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,895.27 : 165,443.68 = 66,176.81 : x
  2. Step 2: Convert to fraction form
    119,895.27/165,443.68 = 66,176.81/x
  3. Step 3: Cross multiply
    119,895.27x = 165,443.68 × 66,176.81
  4. Step 4: Simplify right side
    119,895.27x = 10,948,535,783.60
  5. Step 5: Solve for x
    x = 10,948,535,783.60/119,895.27
  6. Step 6: Final answer
    x = 91,317.49

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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.