Home / 163,322.90-225,385.44-91,703.21

Finding the Fourth Proportional to 163,322.90, 225,385.44 and 91,703.21

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Solution

The fourth proportional to 163,322.90, 225,385.44 and 91,703.21 is: 126,550.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,322.90 : 225,385.44 = 91,703.21 : x
  2. Step 2: Convert to fraction form
    163,322.90/225,385.44 = 91,703.21/x
  3. Step 3: Cross multiply
    163,322.90x = 225,385.44 × 91,703.21
  4. Step 4: Simplify right side
    163,322.90x = 20,668,566,864.45
  5. Step 5: Solve for x
    x = 20,668,566,864.45/163,322.90
  6. Step 6: Final answer
    x = 126,550.33

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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.