Home / 90,268.56-124,585.29-86,282.19

Finding the Fourth Proportional to 90,268.56, 124,585.29 and 86,282.19

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Solution

The fourth proportional to 90,268.56, 124,585.29 and 86,282.19 is: 119,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,268.56 : 124,585.29 = 86,282.19 : x
  2. Step 2: Convert to fraction form
    90,268.56/124,585.29 = 86,282.19/x
  3. Step 3: Cross multiply
    90,268.56x = 124,585.29 × 86,282.19
  4. Step 4: Simplify right side
    90,268.56x = 10,749,491,662.99
  5. Step 5: Solve for x
    x = 10,749,491,662.99/90,268.56
  6. Step 6: Final answer
    x = 119,083.45

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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.