Home / 124,474.68-171,918.36-90,634.44

Finding the Fourth Proportional to 124,474.68, 171,918.36 and 90,634.44

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Solution

The fourth proportional to 124,474.68, 171,918.36 and 90,634.44 is: 125,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,474.68 : 171,918.36 = 90,634.44 : x
  2. Step 2: Convert to fraction form
    124,474.68/171,918.36 = 90,634.44/x
  3. Step 3: Cross multiply
    124,474.68x = 171,918.36 × 90,634.44
  4. Step 4: Simplify right side
    124,474.68x = 15,581,724,284.32
  5. Step 5: Solve for x
    x = 15,581,724,284.32/124,474.68
  6. Step 6: Final answer
    x = 125,179.87

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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.