Home / 238,953.81-329,753.64-131,521.53

Finding the Fourth Proportional to 238,953.81, 329,753.64 and 131,521.53

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Solution

The fourth proportional to 238,953.81, 329,753.64 and 131,521.53 is: 181,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,953.81 : 329,753.64 = 131,521.53 : x
  2. Step 2: Convert to fraction form
    238,953.81/329,753.64 = 131,521.53/x
  3. Step 3: Cross multiply
    238,953.81x = 329,753.64 × 131,521.53
  4. Step 4: Simplify right side
    238,953.81x = 43,369,703,255.87
  5. Step 5: Solve for x
    x = 43,369,703,255.87/238,953.81
  6. Step 6: Final answer
    x = 181,498.27

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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.