Home / 134,944.11-186,221.66-74,513.45

Finding the Fourth Proportional to 134,944.11, 186,221.66 and 74,513.45

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Solution

The fourth proportional to 134,944.11, 186,221.66 and 74,513.45 is: 102,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,944.11 : 186,221.66 = 74,513.45 : x
  2. Step 2: Convert to fraction form
    134,944.11/186,221.66 = 74,513.45/x
  3. Step 3: Cross multiply
    134,944.11x = 186,221.66 × 74,513.45
  4. Step 4: Simplify right side
    134,944.11x = 13,876,018,351.33
  5. Step 5: Solve for x
    x = 13,876,018,351.33/134,944.11
  6. Step 6: Final answer
    x = 102,827.89

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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.