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Finding the Fourth Proportional to 84,826.80, 127,240.20 and 65,204.40

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Solution

The fourth proportional to 84,826.80, 127,240.20 and 65,204.40 is: 97,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,826.80 : 127,240.20 = 65,204.40 : x
  2. Step 2: Convert to fraction form
    84,826.80/127,240.20 = 65,204.40/x
  3. Step 3: Cross multiply
    84,826.80x = 127,240.20 × 65,204.40
  4. Step 4: Simplify right side
    84,826.80x = 8,296,620,896.88
  5. Step 5: Solve for x
    x = 8,296,620,896.88/84,826.80
  6. Step 6: Final answer
    x = 97,806.60

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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.