Home / 135,537.96-187,024.68-75,105.69

Finding the Fourth Proportional to 135,537.96, 187,024.68 and 75,105.69

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Solution

The fourth proportional to 135,537.96, 187,024.68 and 75,105.69 is: 103,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,537.96 : 187,024.68 = 75,105.69 : x
  2. Step 2: Convert to fraction form
    135,537.96/187,024.68 = 75,105.69/x
  3. Step 3: Cross multiply
    135,537.96x = 187,024.68 × 75,105.69
  4. Step 4: Simplify right side
    135,537.96x = 14,046,617,638.43
  5. Step 5: Solve for x
    x = 14,046,617,638.43/135,537.96
  6. Step 6: Final answer
    x = 103,636.04

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1.5x scale

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.