Home / 125,579.59-188,367.93-30,808.85

Finding the Fourth Proportional to 125,579.59, 188,367.93 and 30,808.85

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Solution

The fourth proportional to 125,579.59, 188,367.93 and 30,808.85 is: 46,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,579.59 : 188,367.93 = 30,808.85 : x
  2. Step 2: Convert to fraction form
    125,579.59/188,367.93 = 30,808.85/x
  3. Step 3: Cross multiply
    125,579.59x = 188,367.93 × 30,808.85
  4. Step 4: Simplify right side
    125,579.59x = 5,803,399,382.95
  5. Step 5: Solve for x
    x = 5,803,399,382.95/125,579.59
  6. Step 6: Final answer
    x = 46,212.92

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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.