Home / 122,935.04-169,319.04-106,138.88

Finding the Fourth Proportional to 122,935.04, 169,319.04 and 106,138.88

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Solution

The fourth proportional to 122,935.04, 169,319.04 and 106,138.88 is: 146,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,935.04 : 169,319.04 = 106,138.88 : x
  2. Step 2: Convert to fraction form
    122,935.04/169,319.04 = 106,138.88/x
  3. Step 3: Cross multiply
    122,935.04x = 169,319.04 × 106,138.88
  4. Step 4: Simplify right side
    122,935.04x = 17,971,333,268.28
  5. Step 5: Solve for x
    x = 17,971,333,268.28/122,935.04
  6. Step 6: Final answer
    x = 146,185.61

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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.