Home / 122,973.57-169,704.09-69,259.50

Finding the Fourth Proportional to 122,973.57, 169,704.09 and 69,259.50

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Solution

The fourth proportional to 122,973.57, 169,704.09 and 69,259.50 is: 95,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,973.57 : 169,704.09 = 69,259.50 : x
  2. Step 2: Convert to fraction form
    122,973.57/169,704.09 = 69,259.50/x
  3. Step 3: Cross multiply
    122,973.57x = 169,704.09 × 69,259.50
  4. Step 4: Simplify right side
    122,973.57x = 11,753,620,421.36
  5. Step 5: Solve for x
    x = 11,753,620,421.36/122,973.57
  6. Step 6: Final answer
    x = 95,578.43

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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.