Home / 259,022.77-388,435.74-123,948.19

Finding the Fourth Proportional to 259,022.77, 388,435.74 and 123,948.19

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Solution

The fourth proportional to 259,022.77, 388,435.74 and 123,948.19 is: 185,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,022.77 : 388,435.74 = 123,948.19 : x
  2. Step 2: Convert to fraction form
    259,022.77/388,435.74 = 123,948.19/x
  3. Step 3: Cross multiply
    259,022.77x = 388,435.74 × 123,948.19
  4. Step 4: Simplify right side
    259,022.77x = 48,145,906,904.31
  5. Step 5: Solve for x
    x = 48,145,906,904.31/259,022.77
  6. Step 6: Final answer
    x = 185,875.19

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1.5x scale

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.