Home / 259,221.25-357,725.33-139,989.25

Finding the Fourth Proportional to 259,221.25, 357,725.33 and 139,989.25

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Solution

The fourth proportional to 259,221.25, 357,725.33 and 139,989.25 is: 193,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,221.25 : 357,725.33 = 139,989.25 : x
  2. Step 2: Convert to fraction form
    259,221.25/357,725.33 = 139,989.25/x
  3. Step 3: Cross multiply
    259,221.25x = 357,725.33 × 139,989.25
  4. Step 4: Simplify right side
    259,221.25x = 50,077,700,652.70
  5. Step 5: Solve for x
    x = 50,077,700,652.70/259,221.25
  6. Step 6: Final answer
    x = 193,185.17

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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.