Home / 238,585.32-329,241.18-131,155.44

Finding the Fourth Proportional to 238,585.32, 329,241.18 and 131,155.44

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Solution

The fourth proportional to 238,585.32, 329,241.18 and 131,155.44 is: 180,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,585.32 : 329,241.18 = 131,155.44 : x
  2. Step 2: Convert to fraction form
    238,585.32/329,241.18 = 131,155.44/x
  3. Step 3: Cross multiply
    238,585.32x = 329,241.18 × 131,155.44
  4. Step 4: Simplify right side
    238,585.32x = 43,181,771,829.02
  5. Step 5: Solve for x
    x = 43,181,771,829.02/238,585.32
  6. Step 6: Final answer
    x = 180,990.90

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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.