Home / 292,727.80-439,091.70-115,137.73

Finding the Fourth Proportional to 292,727.80, 439,091.70 and 115,137.73

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Solution

The fourth proportional to 292,727.80, 439,091.70 and 115,137.73 is: 172,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,727.80 : 439,091.70 = 115,137.73 : x
  2. Step 2: Convert to fraction form
    292,727.80/439,091.70 = 115,137.73/x
  3. Step 3: Cross multiply
    292,727.80x = 439,091.70 × 115,137.73
  4. Step 4: Simplify right side
    292,727.80x = 50,556,021,599.84
  5. Step 5: Solve for x
    x = 50,556,021,599.84/292,727.80
  6. Step 6: Final answer
    x = 172,706.60

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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.