Home / 135,573.66-187,087.46-75,146.85

Finding the Fourth Proportional to 135,573.66, 187,087.46 and 75,146.85

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Solution

The fourth proportional to 135,573.66, 187,087.46 and 75,146.85 is: 103,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,573.66 : 187,087.46 = 75,146.85 : x
  2. Step 2: Convert to fraction form
    135,573.66/187,087.46 = 75,146.85/x
  3. Step 3: Cross multiply
    135,573.66x = 187,087.46 × 75,146.85
  4. Step 4: Simplify right side
    135,573.66x = 14,059,032,917.77
  5. Step 5: Solve for x
    x = 14,059,032,917.77/135,573.66
  6. Step 6: Final answer
    x = 103,700.33

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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.