Home / 123,084.09-169,865.37-69,374.16

Finding the Fourth Proportional to 123,084.09, 169,865.37 and 69,374.16

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Solution

The fourth proportional to 123,084.09, 169,865.37 and 69,374.16 is: 95,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,084.09 : 169,865.37 = 69,374.16 : x
  2. Step 2: Convert to fraction form
    123,084.09/169,865.37 = 69,374.16/x
  3. Step 3: Cross multiply
    123,084.09x = 169,865.37 × 69,374.16
  4. Step 4: Simplify right side
    123,084.09x = 11,784,267,356.84
  5. Step 5: Solve for x
    x = 11,784,267,356.84/123,084.09
  6. Step 6: Final answer
    x = 95,741.60

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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.