Home / 136,019.54-187,703.22-75,588.64

Finding the Fourth Proportional to 136,019.54, 187,703.22 and 75,588.64

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Solution

The fourth proportional to 136,019.54, 187,703.22 and 75,588.64 is: 104,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,019.54 : 187,703.22 = 75,588.64 : x
  2. Step 2: Convert to fraction form
    136,019.54/187,703.22 = 75,588.64/x
  3. Step 3: Cross multiply
    136,019.54x = 187,703.22 × 75,588.64
  4. Step 4: Simplify right side
    136,019.54x = 14,188,230,184.90
  5. Step 5: Solve for x
    x = 14,188,230,184.90/136,019.54
  6. Step 6: Final answer
    x = 104,310.24

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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.