Home / 135,866.07-187,491.61-75,435.16

Finding the Fourth Proportional to 135,866.07, 187,491.61 and 75,435.16

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Solution

The fourth proportional to 135,866.07, 187,491.61 and 75,435.16 is: 104,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,866.07 : 187,491.61 = 75,435.16 : x
  2. Step 2: Convert to fraction form
    135,866.07/187,491.61 = 75,435.16/x
  3. Step 3: Cross multiply
    135,866.07x = 187,491.61 × 75,435.16
  4. Step 4: Simplify right side
    135,866.07x = 14,143,459,363.96
  5. Step 5: Solve for x
    x = 14,143,459,363.96/135,866.07
  6. Step 6: Final answer
    x = 104,098.54

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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.