Home / 205,042.95-307,416.80-125,993.85

Finding the Fourth Proportional to 205,042.95, 307,416.80 and 125,993.85

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Solution

The fourth proportional to 205,042.95, 307,416.80 and 125,993.85 is: 188,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,042.95 : 307,416.80 = 125,993.85 : x
  2. Step 2: Convert to fraction form
    205,042.95/307,416.80 = 125,993.85/x
  3. Step 3: Cross multiply
    205,042.95x = 307,416.80 × 125,993.85
  4. Step 4: Simplify right side
    205,042.95x = 38,732,625,556.71
  5. Step 5: Solve for x
    x = 38,732,625,556.71/205,042.95
  6. Step 6: Final answer
    x = 188,900.06

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1.5x scale

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.