Home / 163,748.59-225,971.45-91,150.33

Finding the Fourth Proportional to 163,748.59, 225,971.45 and 91,150.33

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Solution

The fourth proportional to 163,748.59, 225,971.45 and 91,150.33 is: 125,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,748.59 : 225,971.45 = 91,150.33 : x
  2. Step 2: Convert to fraction form
    163,748.59/225,971.45 = 91,150.33/x
  3. Step 3: Cross multiply
    163,748.59x = 225,971.45 × 91,150.33
  4. Step 4: Simplify right side
    163,748.59x = 20,597,371,108.22
  5. Step 5: Solve for x
    x = 20,597,371,108.22/163,748.59
  6. Step 6: Final answer
    x = 125,786.56

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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.