Home / 135,664.01-187,216.82-75,240.24

Finding the Fourth Proportional to 135,664.01, 187,216.82 and 75,240.24

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Solution

The fourth proportional to 135,664.01, 187,216.82 and 75,240.24 is: 103,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,664.01 : 187,216.82 = 75,240.24 : x
  2. Step 2: Convert to fraction form
    135,664.01/187,216.82 = 75,240.24/x
  3. Step 3: Cross multiply
    135,664.01x = 187,216.82 × 75,240.24
  4. Step 4: Simplify right side
    135,664.01x = 14,086,238,725.82
  5. Step 5: Solve for x
    x = 14,086,238,725.82/135,664.01
  6. Step 6: Final answer
    x = 103,831.80

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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.