Home / 238,653.63-329,333.57-131,222.91

Finding the Fourth Proportional to 238,653.63, 329,333.57 and 131,222.91

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Solution

The fourth proportional to 238,653.63, 329,333.57 and 131,222.91 is: 181,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,653.63 : 329,333.57 = 131,222.91 : x
  2. Step 2: Convert to fraction form
    238,653.63/329,333.57 = 131,222.91/x
  3. Step 3: Cross multiply
    238,653.63x = 329,333.57 × 131,222.91
  4. Step 4: Simplify right side
    238,653.63x = 43,216,109,416.09
  5. Step 5: Solve for x
    x = 43,216,109,416.09/238,653.63
  6. Step 6: Final answer
    x = 181,082.98

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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.