Home / 81,548.56-122,300.69-22,370.23

Finding the Fourth Proportional to 81,548.56, 122,300.69 and 22,370.23

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Solution

The fourth proportional to 81,548.56, 122,300.69 and 22,370.23 is: 33,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,548.56 : 122,300.69 = 22,370.23 : x
  2. Step 2: Convert to fraction form
    81,548.56/122,300.69 = 22,370.23/x
  3. Step 3: Cross multiply
    81,548.56x = 122,300.69 × 22,370.23
  4. Step 4: Simplify right side
    81,548.56x = 2,735,893,952.96
  5. Step 5: Solve for x
    x = 2,735,893,952.96/81,548.56
  6. Step 6: Final answer
    x = 33,549.26

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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.