Home / 135,562.62-187,077.78-75,134.58

Finding the Fourth Proportional to 135,562.62, 187,077.78 and 75,134.58

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Solution

The fourth proportional to 135,562.62, 187,077.78 and 75,134.58 is: 103,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,562.62 : 187,077.78 = 75,134.58 : x
  2. Step 2: Convert to fraction form
    135,562.62/187,077.78 = 75,134.58/x
  3. Step 3: Cross multiply
    135,562.62x = 187,077.78 × 75,134.58
  4. Step 4: Simplify right side
    135,562.62x = 14,056,010,427.63
  5. Step 5: Solve for x
    x = 14,056,010,427.63/135,562.62
  6. Step 6: Final answer
    x = 103,686.48

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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.