Home / 255,090.30-382,641.75-121,984.62

Finding the Fourth Proportional to 255,090.30, 382,641.75 and 121,984.62

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Solution

The fourth proportional to 255,090.30, 382,641.75 and 121,984.62 is: 182,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,090.30 : 382,641.75 = 121,984.62 : x
  2. Step 2: Convert to fraction form
    255,090.30/382,641.75 = 121,984.62/x
  3. Step 3: Cross multiply
    255,090.30x = 382,641.75 × 121,984.62
  4. Step 4: Simplify right side
    255,090.30x = 46,676,408,469.89
  5. Step 5: Solve for x
    x = 46,676,408,469.89/255,090.30
  6. Step 6: Final answer
    x = 182,979.94

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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.