Home / 236,107.64-325,820.28-128,675.52

Finding the Fourth Proportional to 236,107.64, 325,820.28 and 128,675.52

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Solution

The fourth proportional to 236,107.64, 325,820.28 and 128,675.52 is: 177,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,107.64 : 325,820.28 = 128,675.52 : x
  2. Step 2: Convert to fraction form
    236,107.64/325,820.28 = 128,675.52/x
  3. Step 3: Cross multiply
    236,107.64x = 325,820.28 × 128,675.52
  4. Step 4: Simplify right side
    236,107.64x = 41,925,093,955.55
  5. Step 5: Solve for x
    x = 41,925,093,955.55/236,107.64
  6. Step 6: Final answer
    x = 177,567.71

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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.