Home / 255,567.13-382,859.37-142,905.65

Finding the Fourth Proportional to 255,567.13, 382,859.37 and 142,905.65

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Solution

The fourth proportional to 255,567.13, 382,859.37 and 142,905.65 is: 214,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,567.13 : 382,859.37 = 142,905.65 : x
  2. Step 2: Convert to fraction form
    255,567.13/382,859.37 = 142,905.65/x
  3. Step 3: Cross multiply
    255,567.13x = 382,859.37 × 142,905.65
  4. Step 4: Simplify right side
    255,567.13x = 54,712,765,214.14
  5. Step 5: Solve for x
    x = 54,712,765,214.14/255,567.13
  6. Step 6: Final answer
    x = 214,083.73

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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.