Home / 255,568.13-382,860.87-142,906.65

Finding the Fourth Proportional to 255,568.13, 382,860.87 and 142,906.65

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Solution

The fourth proportional to 255,568.13, 382,860.87 and 142,906.65 is: 214,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,568.13 : 382,860.87 = 142,906.65 : x
  2. Step 2: Convert to fraction form
    255,568.13/382,860.87 = 142,906.65/x
  3. Step 3: Cross multiply
    255,568.13x = 382,860.87 × 142,906.65
  4. Step 4: Simplify right side
    255,568.13x = 54,713,364,347.79
  5. Step 5: Solve for x
    x = 54,713,364,347.79/255,568.13
  6. Step 6: Final answer
    x = 214,085.24

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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.