Home / 151,093.62-208,496.34-87,435.36

Finding the Fourth Proportional to 151,093.62, 208,496.34 and 87,435.36

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Solution

The fourth proportional to 151,093.62, 208,496.34 and 87,435.36 is: 120,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,093.62 : 208,496.34 = 87,435.36 : x
  2. Step 2: Convert to fraction form
    151,093.62/208,496.34 = 87,435.36/x
  3. Step 3: Cross multiply
    151,093.62x = 208,496.34 × 87,435.36
  4. Step 4: Simplify right side
    151,093.62x = 18,229,952,546.58
  5. Step 5: Solve for x
    x = 18,229,952,546.58/151,093.62
  6. Step 6: Final answer
    x = 120,653.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.