Home / 163,747.56-225,971.58-91,148.88

Finding the Fourth Proportional to 163,747.56, 225,971.58 and 91,148.88

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Solution

The fourth proportional to 163,747.56, 225,971.58 and 91,148.88 is: 125,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,747.56 : 225,971.58 = 91,148.88 : x
  2. Step 2: Convert to fraction form
    163,747.56/225,971.58 = 91,148.88/x
  3. Step 3: Cross multiply
    163,747.56x = 225,971.58 × 91,148.88
  4. Step 4: Simplify right side
    163,747.56x = 20,597,056,428.83
  5. Step 5: Solve for x
    x = 20,597,056,428.83/163,747.56
  6. Step 6: Final answer
    x = 125,785.43

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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.