Home / 238,953.05-329,752.60-131,520.77

Finding the Fourth Proportional to 238,953.05, 329,752.60 and 131,520.77

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Solution

The fourth proportional to 238,953.05, 329,752.60 and 131,520.77 is: 181,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,953.05 : 329,752.60 = 131,520.77 : x
  2. Step 2: Convert to fraction form
    238,953.05/329,752.60 = 131,520.77/x
  3. Step 3: Cross multiply
    238,953.05x = 329,752.60 × 131,520.77
  4. Step 4: Simplify right side
    238,953.05x = 43,369,315,861.50
  5. Step 5: Solve for x
    x = 43,369,315,861.50/238,953.05
  6. Step 6: Final answer
    x = 181,497.23

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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.