Home / 163,291.15-225,326.24-91,654.75

Finding the Fourth Proportional to 163,291.15, 225,326.24 and 91,654.75

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Solution

The fourth proportional to 163,291.15, 225,326.24 and 91,654.75 is: 126,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,291.15 : 225,326.24 = 91,654.75 : x
  2. Step 2: Convert to fraction form
    163,291.15/225,326.24 = 91,654.75/x
  3. Step 3: Cross multiply
    163,291.15x = 225,326.24 × 91,654.75
  4. Step 4: Simplify right side
    163,291.15x = 20,652,219,737.37
  5. Step 5: Solve for x
    x = 20,652,219,737.37/163,291.15
  6. Step 6: Final answer
    x = 126,474.83

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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.