Home / 135,816.72-187,424.18-75,383.73

Finding the Fourth Proportional to 135,816.72, 187,424.18 and 75,383.73

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Solution

The fourth proportional to 135,816.72, 187,424.18 and 75,383.73 is: 104,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,816.72 : 187,424.18 = 75,383.73 : x
  2. Step 2: Convert to fraction form
    135,816.72/187,424.18 = 75,383.73/x
  3. Step 3: Cross multiply
    135,816.72x = 187,424.18 × 75,383.73
  4. Step 4: Simplify right side
    135,816.72x = 14,128,733,686.36
  5. Step 5: Solve for x
    x = 14,128,733,686.36/135,816.72
  6. Step 6: Final answer
    x = 104,027.94

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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.