Home / 172,621.58-238,352.92-135,003.02

Finding the Fourth Proportional to 172,621.58, 238,352.92 and 135,003.02

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Solution

The fourth proportional to 172,621.58, 238,352.92 and 135,003.02 is: 186,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,621.58 : 238,352.92 = 135,003.02 : x
  2. Step 2: Convert to fraction form
    172,621.58/238,352.92 = 135,003.02/x
  3. Step 3: Cross multiply
    172,621.58x = 238,352.92 × 135,003.02
  4. Step 4: Simplify right side
    172,621.58x = 32,178,364,025.82
  5. Step 5: Solve for x
    x = 32,178,364,025.82/172,621.58
  6. Step 6: Final answer
    x = 186,409.86

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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.