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Finding the Fourth Proportional to 85,259.64, 127,889.28 and 22,930.20

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Solution

The fourth proportional to 85,259.64, 127,889.28 and 22,930.20 is: 34,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,259.64 : 127,889.28 = 22,930.20 : x
  2. Step 2: Convert to fraction form
    85,259.64/127,889.28 = 22,930.20/x
  3. Step 3: Cross multiply
    85,259.64x = 127,889.28 × 22,930.20
  4. Step 4: Simplify right side
    85,259.64x = 2,932,526,768.26
  5. Step 5: Solve for x
    x = 2,932,526,768.26/85,259.64
  6. Step 6: Final answer
    x = 34,395.25

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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.