Home / 123,884.20-170,964.89-69,437.37

Finding the Fourth Proportional to 123,884.20, 170,964.89 and 69,437.37

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Solution

The fourth proportional to 123,884.20, 170,964.89 and 69,437.37 is: 95,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,884.20 : 170,964.89 = 69,437.37 : x
  2. Step 2: Convert to fraction form
    123,884.20/170,964.89 = 69,437.37/x
  3. Step 3: Cross multiply
    123,884.20x = 170,964.89 × 69,437.37
  4. Step 4: Simplify right side
    123,884.20x = 11,871,352,323.94
  5. Step 5: Solve for x
    x = 11,871,352,323.94/123,884.20
  6. Step 6: Final answer
    x = 95,826.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.