Home / 135,888.88-187,520.35-75,463.36

Finding the Fourth Proportional to 135,888.88, 187,520.35 and 75,463.36

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Solution

The fourth proportional to 135,888.88, 187,520.35 and 75,463.36 is: 104,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,888.88 : 187,520.35 = 75,463.36 : x
  2. Step 2: Convert to fraction form
    135,888.88/187,520.35 = 75,463.36/x
  3. Step 3: Cross multiply
    135,888.88x = 187,520.35 × 75,463.36
  4. Step 4: Simplify right side
    135,888.88x = 14,150,915,679.38
  5. Step 5: Solve for x
    x = 14,150,915,679.38/135,888.88
  6. Step 6: Final answer
    x = 104,135.94

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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.