Home / 213,098.20-294,186.09-155,673.07

Finding the Fourth Proportional to 213,098.20, 294,186.09 and 155,673.07

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Solution

The fourth proportional to 213,098.20, 294,186.09 and 155,673.07 is: 214,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,098.20 : 294,186.09 = 155,673.07 : x
  2. Step 2: Convert to fraction form
    213,098.20/294,186.09 = 155,673.07/x
  3. Step 3: Cross multiply
    213,098.20x = 294,186.09 × 155,673.07
  4. Step 4: Simplify right side
    213,098.20x = 45,796,851,781.60
  5. Step 5: Solve for x
    x = 45,796,851,781.60/213,098.20
  6. Step 6: Final answer
    x = 214,909.61

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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.