Home / 146,858.12-202,648.97-86,425.16

Finding the Fourth Proportional to 146,858.12, 202,648.97 and 86,425.16

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Solution

The fourth proportional to 146,858.12, 202,648.97 and 86,425.16 is: 119,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,858.12 : 202,648.97 = 86,425.16 : x
  2. Step 2: Convert to fraction form
    146,858.12/202,648.97 = 86,425.16/x
  3. Step 3: Cross multiply
    146,858.12x = 202,648.97 × 86,425.16
  4. Step 4: Simplify right side
    146,858.12x = 17,513,969,656.09
  5. Step 5: Solve for x
    x = 17,513,969,656.09/146,858.12
  6. Step 6: Final answer
    x = 119,257.75

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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.