Home / 135,519.93-187,002-75,075.48

Finding the Fourth Proportional to 135,519.93, 187,002 and 75,075.48

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Solution

The fourth proportional to 135,519.93, 187,002 and 75,075.48 is: 103,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,519.93 : 187,002 = 75,075.48 : x
  2. Step 2: Convert to fraction form
    135,519.93/187,002 = 75,075.48/x
  3. Step 3: Cross multiply
    135,519.93x = 187,002 × 75,075.48
  4. Step 4: Simplify right side
    135,519.93x = 14,039,264,910.96
  5. Step 5: Solve for x
    x = 14,039,264,910.96/135,519.93
  6. Step 6: Final answer
    x = 103,595.57

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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.