Home / 136,184.88-187,914.92-75,756.30

Finding the Fourth Proportional to 136,184.88, 187,914.92 and 75,756.30

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Solution

The fourth proportional to 136,184.88, 187,914.92 and 75,756.30 is: 104,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,184.88 : 187,914.92 = 75,756.30 : x
  2. Step 2: Convert to fraction form
    136,184.88/187,914.92 = 75,756.30/x
  3. Step 3: Cross multiply
    136,184.88x = 187,914.92 × 75,756.30
  4. Step 4: Simplify right side
    136,184.88x = 14,235,739,054.00
  5. Step 5: Solve for x
    x = 14,235,739,054.00/136,184.88
  6. Step 6: Final answer
    x = 104,532.45

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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.