Home / 259,008.12-388,512.18-125,774.19

Finding the Fourth Proportional to 259,008.12, 388,512.18 and 125,774.19

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Solution

The fourth proportional to 259,008.12, 388,512.18 and 125,774.19 is: 188,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,008.12 : 388,512.18 = 125,774.19 : x
  2. Step 2: Convert to fraction form
    259,008.12/388,512.18 = 125,774.19/x
  3. Step 3: Cross multiply
    259,008.12x = 388,512.18 × 125,774.19
  4. Step 4: Simplify right side
    259,008.12x = 48,864,804,744.63
  5. Step 5: Solve for x
    x = 48,864,804,744.63/259,008.12
  6. Step 6: Final answer
    x = 188,661.29

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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.