Home / 85,464.90-128,197.44-22,284.96

Finding the Fourth Proportional to 85,464.90, 128,197.44 and 22,284.96

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Solution

The fourth proportional to 85,464.90, 128,197.44 and 22,284.96 is: 33,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,464.90 : 128,197.44 = 22,284.96 : x
  2. Step 2: Convert to fraction form
    85,464.90/128,197.44 = 22,284.96/x
  3. Step 3: Cross multiply
    85,464.90x = 128,197.44 × 22,284.96
  4. Step 4: Simplify right side
    85,464.90x = 2,856,875,486.10
  5. Step 5: Solve for x
    x = 2,856,875,486.10/85,464.90
  6. Step 6: Final answer
    x = 33,427.47

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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.