Home / 133,317.36-200,059.56-71,028.72

Finding the Fourth Proportional to 133,317.36, 200,059.56 and 71,028.72

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Solution

The fourth proportional to 133,317.36, 200,059.56 and 71,028.72 is: 106,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,317.36 : 200,059.56 = 71,028.72 : x
  2. Step 2: Convert to fraction form
    133,317.36/200,059.56 = 71,028.72/x
  3. Step 3: Cross multiply
    133,317.36x = 200,059.56 × 71,028.72
  4. Step 4: Simplify right side
    133,317.36x = 14,209,974,470.56
  5. Step 5: Solve for x
    x = 14,209,974,470.56/133,317.36
  6. Step 6: Final answer
    x = 106,587.58

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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.