Home / 238,508.08-329,149.84-131,086.32

Finding the Fourth Proportional to 238,508.08, 329,149.84 and 131,086.32

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Solution

The fourth proportional to 238,508.08, 329,149.84 and 131,086.32 is: 180,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,508.08 : 329,149.84 = 131,086.32 : x
  2. Step 2: Convert to fraction form
    238,508.08/329,149.84 = 131,086.32/x
  3. Step 3: Cross multiply
    238,508.08x = 329,149.84 × 131,086.32
  4. Step 4: Simplify right side
    238,508.08x = 43,147,041,254.19
  5. Step 5: Solve for x
    x = 43,147,041,254.19/238,508.08
  6. Step 6: Final answer
    x = 180,903.90

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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.