Home / 163,207.25-225,242.18-91,587.55

Finding the Fourth Proportional to 163,207.25, 225,242.18 and 91,587.55

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Solution

The fourth proportional to 163,207.25, 225,242.18 and 91,587.55 is: 126,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,207.25 : 225,242.18 = 91,587.55 : x
  2. Step 2: Convert to fraction form
    163,207.25/225,242.18 = 91,587.55/x
  3. Step 3: Cross multiply
    163,207.25x = 225,242.18 × 91,587.55
  4. Step 4: Simplify right side
    163,207.25x = 20,629,378,401.82
  5. Step 5: Solve for x
    x = 20,629,378,401.82/163,207.25
  6. Step 6: Final answer
    x = 126,399.89

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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.