Home / 238,946.06-329,743.02-131,513.78

Finding the Fourth Proportional to 238,946.06, 329,743.02 and 131,513.78

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Solution

The fourth proportional to 238,946.06, 329,743.02 and 131,513.78 is: 181,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,946.06 : 329,743.02 = 131,513.78 : x
  2. Step 2: Convert to fraction form
    238,946.06/329,743.02 = 131,513.78/x
  3. Step 3: Cross multiply
    238,946.06x = 329,743.02 × 131,513.78
  4. Step 4: Simplify right side
    238,946.06x = 43,365,750,988.82
  5. Step 5: Solve for x
    x = 43,365,750,988.82/238,946.06
  6. Step 6: Final answer
    x = 181,487.62

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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.