Home / 236,204.49-325,959.08-128,774.34

Finding the Fourth Proportional to 236,204.49, 325,959.08 and 128,774.34

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Solution

The fourth proportional to 236,204.49, 325,959.08 and 128,774.34 is: 177,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,204.49 : 325,959.08 = 128,774.34 : x
  2. Step 2: Convert to fraction form
    236,204.49/325,959.08 = 128,774.34/x
  3. Step 3: Cross multiply
    236,204.49x = 325,959.08 × 128,774.34
  4. Step 4: Simplify right side
    236,204.49x = 41,975,165,394.01
  5. Step 5: Solve for x
    x = 41,975,165,394.01/236,204.49
  6. Step 6: Final answer
    x = 177,706.89

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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.