Home / 125,918.20-173,882.57-79,992.66

Finding the Fourth Proportional to 125,918.20, 173,882.57 and 79,992.66

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Solution

The fourth proportional to 125,918.20, 173,882.57 and 79,992.66 is: 110,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,918.20 : 173,882.57 = 79,992.66 : x
  2. Step 2: Convert to fraction form
    125,918.20/173,882.57 = 79,992.66/x
  3. Step 3: Cross multiply
    125,918.20x = 173,882.57 × 79,992.66
  4. Step 4: Simplify right side
    125,918.20x = 13,909,329,554.03
  5. Step 5: Solve for x
    x = 13,909,329,554.03/125,918.20
  6. Step 6: Final answer
    x = 110,463.22

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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.