Home / 117,617.07-162,299.82-66,619.62

Finding the Fourth Proportional to 117,617.07, 162,299.82 and 66,619.62

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Solution

The fourth proportional to 117,617.07, 162,299.82 and 66,619.62 is: 91,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,617.07 : 162,299.82 = 66,619.62 : x
  2. Step 2: Convert to fraction form
    117,617.07/162,299.82 = 66,619.62/x
  3. Step 3: Cross multiply
    117,617.07x = 162,299.82 × 66,619.62
  4. Step 4: Simplify right side
    117,617.07x = 10,812,352,334.47
  5. Step 5: Solve for x
    x = 10,812,352,334.47/117,617.07
  6. Step 6: Final answer
    x = 91,928.43

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1.5x scale

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.