Home / 133,823.61-200,735.77-45,139.35

Finding the Fourth Proportional to 133,823.61, 200,735.77 and 45,139.35

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Solution

The fourth proportional to 133,823.61, 200,735.77 and 45,139.35 is: 67,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,823.61 : 200,735.77 = 45,139.35 : x
  2. Step 2: Convert to fraction form
    133,823.61/200,735.77 = 45,139.35/x
  3. Step 3: Cross multiply
    133,823.61x = 200,735.77 × 45,139.35
  4. Step 4: Simplify right side
    133,823.61x = 9,061,081,175.87
  5. Step 5: Solve for x
    x = 9,061,081,175.87/133,823.61
  6. Step 6: Final answer
    x = 67,709.14

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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.