Home / 238,529.16-329,170.02-131,106.12

Finding the Fourth Proportional to 238,529.16, 329,170.02 and 131,106.12

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Solution

The fourth proportional to 238,529.16, 329,170.02 and 131,106.12 is: 180,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,529.16 : 329,170.02 = 131,106.12 : x
  2. Step 2: Convert to fraction form
    238,529.16/329,170.02 = 131,106.12/x
  3. Step 3: Cross multiply
    238,529.16x = 329,170.02 × 131,106.12
  4. Step 4: Simplify right side
    238,529.16x = 43,156,204,142.52
  5. Step 5: Solve for x
    x = 43,156,204,142.52/238,529.16
  6. Step 6: Final answer
    x = 180,926.32

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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.