Home / 238,420.14-329,022.02-130,992.40

Finding the Fourth Proportional to 238,420.14, 329,022.02 and 130,992.40

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Solution

The fourth proportional to 238,420.14, 329,022.02 and 130,992.40 is: 180,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,420.14 : 329,022.02 = 130,992.40 : x
  2. Step 2: Convert to fraction form
    238,420.14/329,022.02 = 130,992.40/x
  3. Step 3: Cross multiply
    238,420.14x = 329,022.02 × 130,992.40
  4. Step 4: Simplify right side
    238,420.14x = 43,099,384,052.65
  5. Step 5: Solve for x
    x = 43,099,384,052.65/238,420.14
  6. Step 6: Final answer
    x = 180,770.74

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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.