Home / 238,701.87-329,402.01-131,271.89

Finding the Fourth Proportional to 238,701.87, 329,402.01 and 131,271.89

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Solution

The fourth proportional to 238,701.87, 329,402.01 and 131,271.89 is: 181,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,701.87 : 329,402.01 = 131,271.89 : x
  2. Step 2: Convert to fraction form
    238,701.87/329,402.01 = 131,271.89/x
  3. Step 3: Cross multiply
    238,701.87x = 329,402.01 × 131,271.89
  4. Step 4: Simplify right side
    238,701.87x = 43,241,224,382.24
  5. Step 5: Solve for x
    x = 43,241,224,382.24/238,701.87
  6. Step 6: Final answer
    x = 181,151.59

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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.