Home / 116,179.20-173,836.80-85,075.20

Finding the Fourth Proportional to 116,179.20, 173,836.80 and 85,075.20

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Solution

The fourth proportional to 116,179.20, 173,836.80 and 85,075.20 is: 127,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,179.20 : 173,836.80 = 85,075.20 : x
  2. Step 2: Convert to fraction form
    116,179.20/173,836.80 = 85,075.20/x
  3. Step 3: Cross multiply
    116,179.20x = 173,836.80 × 85,075.20
  4. Step 4: Simplify right side
    116,179.20x = 14,789,200,527.36
  5. Step 5: Solve for x
    x = 14,789,200,527.36/116,179.20
  6. Step 6: Final answer
    x = 127,296.46

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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.