Home / 179,878.72-248,453.52-134,758.56

Finding the Fourth Proportional to 179,878.72, 248,453.52 and 134,758.56

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Solution

The fourth proportional to 179,878.72, 248,453.52 and 134,758.56 is: 186,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,878.72 : 248,453.52 = 134,758.56 : x
  2. Step 2: Convert to fraction form
    179,878.72/248,453.52 = 134,758.56/x
  3. Step 3: Cross multiply
    179,878.72x = 248,453.52 × 134,758.56
  4. Step 4: Simplify right side
    179,878.72x = 33,481,238,582.13
  5. Step 5: Solve for x
    x = 33,481,238,582.13/179,878.72
  6. Step 6: Final answer
    x = 186,132.29

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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.