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Finding the Fourth Proportional to 123,127.14, 169,905.26 and 69,425.34

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Solution

The fourth proportional to 123,127.14, 169,905.26 and 69,425.34 is: 95,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,127.14 : 169,905.26 = 69,425.34 : x
  2. Step 2: Convert to fraction form
    123,127.14/169,905.26 = 69,425.34/x
  3. Step 3: Cross multiply
    123,127.14x = 169,905.26 × 69,425.34
  4. Step 4: Simplify right side
    123,127.14x = 11,795,730,443.29
  5. Step 5: Solve for x
    x = 11,795,730,443.29/123,127.14
  6. Step 6: Final answer
    x = 95,801.22

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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.