Home / 135,950.40-187,608.90-75,518.34

Finding the Fourth Proportional to 135,950.40, 187,608.90 and 75,518.34

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Solution

The fourth proportional to 135,950.40, 187,608.90 and 75,518.34 is: 104,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,950.40 : 187,608.90 = 75,518.34 : x
  2. Step 2: Convert to fraction form
    135,950.40/187,608.90 = 75,518.34/x
  3. Step 3: Cross multiply
    135,950.40x = 187,608.90 × 75,518.34
  4. Step 4: Simplify right side
    135,950.40x = 14,167,912,697.23
  5. Step 5: Solve for x
    x = 14,167,912,697.23/135,950.40
  6. Step 6: Final answer
    x = 104,213.84

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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.