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Finding the Fourth Proportional to 135,611.66, 187,137.60 and 75,184.76

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Solution

The fourth proportional to 135,611.66, 187,137.60 and 75,184.76 is: 103,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,611.66 : 187,137.60 = 75,184.76 : x
  2. Step 2: Convert to fraction form
    135,611.66/187,137.60 = 75,184.76/x
  3. Step 3: Cross multiply
    135,611.66x = 187,137.60 × 75,184.76
  4. Step 4: Simplify right side
    135,611.66x = 14,069,895,542.98
  5. Step 5: Solve for x
    x = 14,069,895,542.98/135,611.66
  6. Step 6: Final answer
    x = 103,751.37

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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.