Home / 255,837.36-383,844.56-87,476.20

Finding the Fourth Proportional to 255,837.36, 383,844.56 and 87,476.20

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Solution

The fourth proportional to 255,837.36, 383,844.56 and 87,476.20 is: 131,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,837.36 : 383,844.56 = 87,476.20 : x
  2. Step 2: Convert to fraction form
    255,837.36/383,844.56 = 87,476.20/x
  3. Step 3: Cross multiply
    255,837.36x = 383,844.56 × 87,476.20
  4. Step 4: Simplify right side
    255,837.36x = 33,577,262,102.48
  5. Step 5: Solve for x
    x = 33,577,262,102.48/255,837.36
  6. Step 6: Final answer
    x = 131,244.56

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1.5x scale

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.