Home / 123,458.36-185,103.26-59,382.68

Finding the Fourth Proportional to 123,458.36, 185,103.26 and 59,382.68

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Solution

The fourth proportional to 123,458.36, 185,103.26 and 59,382.68 is: 89,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,458.36 : 185,103.26 = 59,382.68 : x
  2. Step 2: Convert to fraction form
    123,458.36/185,103.26 = 59,382.68/x
  3. Step 3: Cross multiply
    123,458.36x = 185,103.26 × 59,382.68
  4. Step 4: Simplify right side
    123,458.36x = 10,991,927,655.54
  5. Step 5: Solve for x
    x = 10,991,927,655.54/123,458.36
  6. Step 6: Final answer
    x = 89,033.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.