Home / 236,108.64-325,820.28-128,676.36

Finding the Fourth Proportional to 236,108.64, 325,820.28 and 128,676.36

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Solution

The fourth proportional to 236,108.64, 325,820.28 and 128,676.36 is: 177,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,108.64 : 325,820.28 = 128,676.36 : x
  2. Step 2: Convert to fraction form
    236,108.64/325,820.28 = 128,676.36/x
  3. Step 3: Cross multiply
    236,108.64x = 325,820.28 × 128,676.36
  4. Step 4: Simplify right side
    236,108.64x = 41,925,367,644.58
  5. Step 5: Solve for x
    x = 41,925,367,644.58/236,108.64
  6. Step 6: Final answer
    x = 177,568.12

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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.