Home / 123,091.09-169,875.03-69,381.16

Finding the Fourth Proportional to 123,091.09, 169,875.03 and 69,381.16

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Solution

The fourth proportional to 123,091.09, 169,875.03 and 69,381.16 is: 95,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,091.09 : 169,875.03 = 69,381.16 : x
  2. Step 2: Convert to fraction form
    123,091.09/169,875.03 = 69,381.16/x
  3. Step 3: Cross multiply
    123,091.09x = 169,875.03 × 69,381.16
  4. Step 4: Simplify right side
    123,091.09x = 11,786,126,636.43
  5. Step 5: Solve for x
    x = 11,786,126,636.43/123,091.09
  6. Step 6: Final answer
    x = 95,751.26

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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.