Home / 145,414.73-200,672.33-85,036.11

Finding the Fourth Proportional to 145,414.73, 200,672.33 and 85,036.11

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Solution

The fourth proportional to 145,414.73, 200,672.33 and 85,036.11 is: 117,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,414.73 : 200,672.33 = 85,036.11 : x
  2. Step 2: Convert to fraction form
    145,414.73/200,672.33 = 85,036.11/x
  3. Step 3: Cross multiply
    145,414.73x = 200,672.33 × 85,036.11
  4. Step 4: Simplify right side
    145,414.73x = 17,064,394,327.84
  5. Step 5: Solve for x
    x = 17,064,394,327.84/145,414.73
  6. Step 6: Final answer
    x = 117,349.83

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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.