Home / 118,022.33-162,864.99-64,304.12

Finding the Fourth Proportional to 118,022.33, 162,864.99 and 64,304.12

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Solution

The fourth proportional to 118,022.33, 162,864.99 and 64,304.12 is: 88,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,022.33 : 162,864.99 = 64,304.12 : x
  2. Step 2: Convert to fraction form
    118,022.33/162,864.99 = 64,304.12/x
  3. Step 3: Cross multiply
    118,022.33x = 162,864.99 × 64,304.12
  4. Step 4: Simplify right side
    118,022.33x = 10,472,889,046.43
  5. Step 5: Solve for x
    x = 10,472,889,046.43/118,022.33
  6. Step 6: Final answer
    x = 88,736.51

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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.