Home / 236,425.38-326,260.68-128,995.38

Finding the Fourth Proportional to 236,425.38, 326,260.68 and 128,995.38

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Solution

The fourth proportional to 236,425.38, 326,260.68 and 128,995.38 is: 178,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,425.38 : 326,260.68 = 128,995.38 : x
  2. Step 2: Convert to fraction form
    236,425.38/326,260.68 = 128,995.38/x
  3. Step 3: Cross multiply
    236,425.38x = 326,260.68 × 128,995.38
  4. Step 4: Simplify right side
    236,425.38x = 42,086,120,395.66
  5. Step 5: Solve for x
    x = 42,086,120,395.66/236,425.38
  6. Step 6: Final answer
    x = 178,010.16

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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.