Home / 135,006.24-186,250.84-77,632.58

Finding the Fourth Proportional to 135,006.24, 186,250.84 and 77,632.58

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Solution

The fourth proportional to 135,006.24, 186,250.84 and 77,632.58 is: 107,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,006.24 : 186,250.84 = 77,632.58 : x
  2. Step 2: Convert to fraction form
    135,006.24/186,250.84 = 77,632.58/x
  3. Step 3: Cross multiply
    135,006.24x = 186,250.84 × 77,632.58
  4. Step 4: Simplify right side
    135,006.24x = 14,459,132,896.94
  5. Step 5: Solve for x
    x = 14,459,132,896.94/135,006.24
  6. Step 6: Final answer
    x = 107,099.73

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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.