Home / 97,144.80-134,062.07-54,127.14

Finding the Fourth Proportional to 97,144.80, 134,062.07 and 54,127.14

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Solution

The fourth proportional to 97,144.80, 134,062.07 and 54,127.14 is: 74,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,144.80 : 134,062.07 = 54,127.14 : x
  2. Step 2: Convert to fraction form
    97,144.80/134,062.07 = 54,127.14/x
  3. Step 3: Cross multiply
    97,144.80x = 134,062.07 × 54,127.14
  4. Step 4: Simplify right side
    97,144.80x = 7,256,396,431.58
  5. Step 5: Solve for x
    x = 7,256,396,431.58/97,144.80
  6. Step 6: Final answer
    x = 74,696.70

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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.