Home / 238,961.16-329,753.85-131,510.66

Finding the Fourth Proportional to 238,961.16, 329,753.85 and 131,510.66

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Solution

The fourth proportional to 238,961.16, 329,753.85 and 131,510.66 is: 181,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,961.16 : 329,753.85 = 131,510.66 : x
  2. Step 2: Convert to fraction form
    238,961.16/329,753.85 = 131,510.66/x
  3. Step 3: Cross multiply
    238,961.16x = 329,753.85 × 131,510.66
  4. Step 4: Simplify right side
    238,961.16x = 43,366,144,802.27
  5. Step 5: Solve for x
    x = 43,366,144,802.27/238,961.16
  6. Step 6: Final answer
    x = 181,477.80

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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.