Home / 145,022.36-200,085.33-83,760.73

Finding the Fourth Proportional to 145,022.36, 200,085.33 and 83,760.73

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Solution

The fourth proportional to 145,022.36, 200,085.33 and 83,760.73 is: 115,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,022.36 : 200,085.33 = 83,760.73 : x
  2. Step 2: Convert to fraction form
    145,022.36/200,085.33 = 83,760.73/x
  3. Step 3: Cross multiply
    145,022.36x = 200,085.33 × 83,760.73
  4. Step 4: Simplify right side
    145,022.36x = 16,759,293,653.52
  5. Step 5: Solve for x
    x = 16,759,293,653.52/145,022.36
  6. Step 6: Final answer
    x = 115,563.51

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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.