Home / 135,664.88-187,217.53-75,244.77

Finding the Fourth Proportional to 135,664.88, 187,217.53 and 75,244.77

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Solution

The fourth proportional to 135,664.88, 187,217.53 and 75,244.77 is: 103,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,664.88 : 187,217.53 = 75,244.77 : x
  2. Step 2: Convert to fraction form
    135,664.88/187,217.53 = 75,244.77/x
  3. Step 3: Cross multiply
    135,664.88x = 187,217.53 × 75,244.77
  4. Step 4: Simplify right side
    135,664.88x = 14,087,139,796.71
  5. Step 5: Solve for x
    x = 14,087,139,796.71/135,664.88
  6. Step 6: Final answer
    x = 103,837.78

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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.