Home / 135,998.51-187,682.90-75,575.12

Finding the Fourth Proportional to 135,998.51, 187,682.90 and 75,575.12

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Solution

The fourth proportional to 135,998.51, 187,682.90 and 75,575.12 is: 104,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,998.51 : 187,682.90 = 75,575.12 : x
  2. Step 2: Convert to fraction form
    135,998.51/187,682.90 = 75,575.12/x
  3. Step 3: Cross multiply
    135,998.51x = 187,682.90 × 75,575.12
  4. Step 4: Simplify right side
    135,998.51x = 14,184,156,373.16
  5. Step 5: Solve for x
    x = 14,184,156,373.16/135,998.51
  6. Step 6: Final answer
    x = 104,296.41

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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.