Home / 172,621.08-238,352.22-135,002.52

Finding the Fourth Proportional to 172,621.08, 238,352.22 and 135,002.52

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Solution

The fourth proportional to 172,621.08, 238,352.22 and 135,002.52 is: 186,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,621.08 : 238,352.22 = 135,002.52 : x
  2. Step 2: Convert to fraction form
    172,621.08/238,352.22 = 135,002.52/x
  3. Step 3: Cross multiply
    172,621.08x = 238,352.22 × 135,002.52
  4. Step 4: Simplify right side
    172,621.08x = 32,178,150,347.59
  5. Step 5: Solve for x
    x = 32,178,150,347.59/172,621.08
  6. Step 6: Final answer
    x = 186,409.16

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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.