Home / 135,576.57-187,106.87-75,166.16

Finding the Fourth Proportional to 135,576.57, 187,106.87 and 75,166.16

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Solution

The fourth proportional to 135,576.57, 187,106.87 and 75,166.16 is: 103,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,576.57 : 187,106.87 = 75,166.16 : x
  2. Step 2: Convert to fraction form
    135,576.57/187,106.87 = 75,166.16/x
  3. Step 3: Cross multiply
    135,576.57x = 187,106.87 × 75,166.16
  4. Step 4: Simplify right side
    135,576.57x = 14,064,104,551.69
  5. Step 5: Solve for x
    x = 14,064,104,551.69/135,576.57
  6. Step 6: Final answer
    x = 103,735.51

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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.