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Finding the Fourth Proportional to 122,804.25, 169,468.20 and 69,089.36

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Solution

The fourth proportional to 122,804.25, 169,468.20 and 69,089.36 is: 95,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,804.25 : 169,468.20 = 69,089.36 : x
  2. Step 2: Convert to fraction form
    122,804.25/169,468.20 = 69,089.36/x
  3. Step 3: Cross multiply
    122,804.25x = 169,468.20 × 69,089.36
  4. Step 4: Simplify right side
    122,804.25x = 11,708,448,631.01
  5. Step 5: Solve for x
    x = 11,708,448,631.01/122,804.25
  6. Step 6: Final answer
    x = 95,342.37

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1.5x scale

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.