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Finding the Fourth Proportional to 114,058.28, 157,348.11 and 73,785.03

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Solution

The fourth proportional to 114,058.28, 157,348.11 and 73,785.03 is: 101,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,058.28 : 157,348.11 = 73,785.03 : x
  2. Step 2: Convert to fraction form
    114,058.28/157,348.11 = 73,785.03/x
  3. Step 3: Cross multiply
    114,058.28x = 157,348.11 × 73,785.03
  4. Step 4: Simplify right side
    114,058.28x = 11,609,935,883.54
  5. Step 5: Solve for x
    x = 11,609,935,883.54/114,058.28
  6. Step 6: Final answer
    x = 101,789.50

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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.