Home / 255,260.21-382,931.82-86,795.60

Finding the Fourth Proportional to 255,260.21, 382,931.82 and 86,795.60

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Solution

The fourth proportional to 255,260.21, 382,931.82 and 86,795.60 is: 130,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,260.21 : 382,931.82 = 86,795.60 : x
  2. Step 2: Convert to fraction form
    255,260.21/382,931.82 = 86,795.60/x
  3. Step 3: Cross multiply
    255,260.21x = 382,931.82 × 86,795.60
  4. Step 4: Simplify right side
    255,260.21x = 33,236,795,161.33
  5. Step 5: Solve for x
    x = 33,236,795,161.33/255,260.21
  6. Step 6: Final answer
    x = 130,207.51

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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.