Home / 138,736.30-208,090.81-94,044.74

Finding the Fourth Proportional to 138,736.30, 208,090.81 and 94,044.74

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Solution

The fourth proportional to 138,736.30, 208,090.81 and 94,044.74 is: 141,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,736.30 : 208,090.81 = 94,044.74 : x
  2. Step 2: Convert to fraction form
    138,736.30/208,090.81 = 94,044.74/x
  3. Step 3: Cross multiply
    138,736.30x = 208,090.81 × 94,044.74
  4. Step 4: Simplify right side
    138,736.30x = 19,569,845,374.91
  5. Step 5: Solve for x
    x = 19,569,845,374.91/138,736.30
  6. Step 6: Final answer
    x = 141,057.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.