Home / 133,790.31-200,291.79-89,306.73

Finding the Fourth Proportional to 133,790.31, 200,291.79 and 89,306.73

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Solution

The fourth proportional to 133,790.31, 200,291.79 and 89,306.73 is: 133,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,790.31 : 200,291.79 = 89,306.73 : x
  2. Step 2: Convert to fraction form
    133,790.31/200,291.79 = 89,306.73/x
  3. Step 3: Cross multiply
    133,790.31x = 200,291.79 × 89,306.73
  4. Step 4: Simplify right side
    133,790.31x = 17,887,404,810.75
  5. Step 5: Solve for x
    x = 17,887,404,810.75/133,790.31
  6. Step 6: Final answer
    x = 133,697.31

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1.5x scale

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.