Home / 119,880.84-165,423.78-66,162.39

Finding the Fourth Proportional to 119,880.84, 165,423.78 and 66,162.39

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Solution

The fourth proportional to 119,880.84, 165,423.78 and 66,162.39 is: 91,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,880.84 : 165,423.78 = 66,162.39 : x
  2. Step 2: Convert to fraction form
    119,880.84/165,423.78 = 66,162.39/x
  3. Step 3: Cross multiply
    119,880.84x = 165,423.78 × 66,162.39
  4. Step 4: Simplify right side
    119,880.84x = 10,944,832,027.30
  5. Step 5: Solve for x
    x = 10,944,832,027.30/119,880.84
  6. Step 6: Final answer
    x = 91,297.59

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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.