Home / 238,500.27-329,136.08-131,080.50

Finding the Fourth Proportional to 238,500.27, 329,136.08 and 131,080.50

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Solution

The fourth proportional to 238,500.27, 329,136.08 and 131,080.50 is: 180,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,500.27 : 329,136.08 = 131,080.50 : x
  2. Step 2: Convert to fraction form
    238,500.27/329,136.08 = 131,080.50/x
  3. Step 3: Cross multiply
    238,500.27x = 329,136.08 × 131,080.50
  4. Step 4: Simplify right side
    238,500.27x = 43,143,321,279.04
  5. Step 5: Solve for x
    x = 43,143,321,279.04/238,500.27
  6. Step 6: Final answer
    x = 180,894.22

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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.