Home / 238,582.62-329,245.08-131,159.57

Finding the Fourth Proportional to 238,582.62, 329,245.08 and 131,159.57

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Solution

The fourth proportional to 238,582.62, 329,245.08 and 131,159.57 is: 181,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,582.62 : 329,245.08 = 131,159.57 : x
  2. Step 2: Convert to fraction form
    238,582.62/329,245.08 = 131,159.57/x
  3. Step 3: Cross multiply
    238,582.62x = 329,245.08 × 131,159.57
  4. Step 4: Simplify right side
    238,582.62x = 43,183,643,117.42
  5. Step 5: Solve for x
    x = 43,183,643,117.42/238,582.62
  6. Step 6: Final answer
    x = 181,000.79

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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.