Home / 236,647.97-326,572.92-129,218.07

Finding the Fourth Proportional to 236,647.97, 326,572.92 and 129,218.07

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Solution

The fourth proportional to 236,647.97, 326,572.92 and 129,218.07 is: 178,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,647.97 : 326,572.92 = 129,218.07 : x
  2. Step 2: Convert to fraction form
    236,647.97/326,572.92 = 129,218.07/x
  3. Step 3: Cross multiply
    236,647.97x = 326,572.92 × 129,218.07
  4. Step 4: Simplify right side
    236,647.97x = 42,199,122,436.66
  5. Step 5: Solve for x
    x = 42,199,122,436.66/236,647.97
  6. Step 6: Final answer
    x = 178,320.24

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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.