Home / 90,198.06-124,371.43-67,464.19

Finding the Fourth Proportional to 90,198.06, 124,371.43 and 67,464.19

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Solution

The fourth proportional to 90,198.06, 124,371.43 and 67,464.19 is: 93,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,198.06 : 124,371.43 = 67,464.19 : x
  2. Step 2: Convert to fraction form
    90,198.06/124,371.43 = 67,464.19/x
  3. Step 3: Cross multiply
    90,198.06x = 124,371.43 × 67,464.19
  4. Step 4: Simplify right side
    90,198.06x = 8,390,617,784.09
  5. Step 5: Solve for x
    x = 8,390,617,784.09/90,198.06
  6. Step 6: Final answer
    x = 93,024.37

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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.