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Finding the Fourth Proportional to 163,404.34, 225,519.04 and 91,784.34

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Solution

The fourth proportional to 163,404.34, 225,519.04 and 91,784.34 is: 126,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,404.34 : 225,519.04 = 91,784.34 : x
  2. Step 2: Convert to fraction form
    163,404.34/225,519.04 = 91,784.34/x
  3. Step 3: Cross multiply
    163,404.34x = 225,519.04 × 91,784.34
  4. Step 4: Simplify right side
    163,404.34x = 20,699,115,842.28
  5. Step 5: Solve for x
    x = 20,699,115,842.28/163,404.34
  6. Step 6: Final answer
    x = 126,674.21

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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.