Home / 129,918.47-179,286.14-73,332.23

Finding the Fourth Proportional to 129,918.47, 179,286.14 and 73,332.23

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Solution

The fourth proportional to 129,918.47, 179,286.14 and 73,332.23 is: 101,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,918.47 : 179,286.14 = 73,332.23 : x
  2. Step 2: Convert to fraction form
    129,918.47/179,286.14 = 73,332.23/x
  3. Step 3: Cross multiply
    129,918.47x = 179,286.14 × 73,332.23
  4. Step 4: Simplify right side
    129,918.47x = 13,147,452,087.63
  5. Step 5: Solve for x
    x = 13,147,452,087.63/129,918.47
  6. Step 6: Final answer
    x = 101,197.71

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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.