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Finding the Fourth Proportional to 133,958.82, 200,935.80 and 113,032.74

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Solution

The fourth proportional to 133,958.82, 200,935.80 and 113,032.74 is: 169,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,958.82 : 200,935.80 = 113,032.74 : x
  2. Step 2: Convert to fraction form
    133,958.82/200,935.80 = 113,032.74/x
  3. Step 3: Cross multiply
    133,958.82x = 200,935.80 × 113,032.74
  4. Step 4: Simplify right side
    133,958.82x = 22,712,324,038.09
  5. Step 5: Solve for x
    x = 22,712,324,038.09/133,958.82
  6. Step 6: Final answer
    x = 169,547.06

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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.