Home / 255,084.06-382,462.05-121,961.34

Finding the Fourth Proportional to 255,084.06, 382,462.05 and 121,961.34

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Solution

The fourth proportional to 255,084.06, 382,462.05 and 121,961.34 is: 182,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,084.06 : 382,462.05 = 121,961.34 : x
  2. Step 2: Convert to fraction form
    255,084.06/382,462.05 = 121,961.34/x
  3. Step 3: Cross multiply
    255,084.06x = 382,462.05 × 121,961.34
  4. Step 4: Simplify right side
    255,084.06x = 46,645,584,117.15
  5. Step 5: Solve for x
    x = 46,645,584,117.15/255,084.06
  6. Step 6: Final answer
    x = 182,863.58

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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.