Home / 84,255.84-126,383.76-25,091.28

Finding the Fourth Proportional to 84,255.84, 126,383.76 and 25,091.28

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Solution

The fourth proportional to 84,255.84, 126,383.76 and 25,091.28 is: 37,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,255.84 : 126,383.76 = 25,091.28 : x
  2. Step 2: Convert to fraction form
    84,255.84/126,383.76 = 25,091.28/x
  3. Step 3: Cross multiply
    84,255.84x = 126,383.76 × 25,091.28
  4. Step 4: Simplify right side
    84,255.84x = 3,171,130,309.61
  5. Step 5: Solve for x
    x = 3,171,130,309.61/84,255.84
  6. Step 6: Final answer
    x = 37,636.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.