Home / 258,955.13-357,367.73-142,673.33

Finding the Fourth Proportional to 258,955.13, 357,367.73 and 142,673.33

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Solution

The fourth proportional to 258,955.13, 357,367.73 and 142,673.33 is: 196,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,955.13 : 357,367.73 = 142,673.33 : x
  2. Step 2: Convert to fraction form
    258,955.13/357,367.73 = 142,673.33/x
  3. Step 3: Cross multiply
    258,955.13x = 357,367.73 × 142,673.33
  4. Step 4: Simplify right side
    258,955.13x = 50,986,841,573.44
  5. Step 5: Solve for x
    x = 50,986,841,573.44/258,955.13
  6. Step 6: Final answer
    x = 196,894.51

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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.