Home / 115,284.33-172,953.23-45,164.25

Finding the Fourth Proportional to 115,284.33, 172,953.23 and 45,164.25

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Solution

The fourth proportional to 115,284.33, 172,953.23 and 45,164.25 is: 67,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,284.33 : 172,953.23 = 45,164.25 : x
  2. Step 2: Convert to fraction form
    115,284.33/172,953.23 = 45,164.25/x
  3. Step 3: Cross multiply
    115,284.33x = 172,953.23 × 45,164.25
  4. Step 4: Simplify right side
    115,284.33x = 7,811,302,692.21
  5. Step 5: Solve for x
    x = 7,811,302,692.21/115,284.33
  6. Step 6: Final answer
    x = 67,756.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.