Home / 85,300.50-127,969.44-26,140.94

Finding the Fourth Proportional to 85,300.50, 127,969.44 and 26,140.94

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Solution

The fourth proportional to 85,300.50, 127,969.44 and 26,140.94 is: 39,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,300.50 : 127,969.44 = 26,140.94 : x
  2. Step 2: Convert to fraction form
    85,300.50/127,969.44 = 26,140.94/x
  3. Step 3: Cross multiply
    85,300.50x = 127,969.44 × 26,140.94
  4. Step 4: Simplify right side
    85,300.50x = 3,345,241,194.88
  5. Step 5: Solve for x
    x = 3,345,241,194.88/85,300.50
  6. Step 6: Final answer
    x = 39,217.13

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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.