Home / 163,379.36-225,459.24-91,755.92

Finding the Fourth Proportional to 163,379.36, 225,459.24 and 91,755.92

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Solution

The fourth proportional to 163,379.36, 225,459.24 and 91,755.92 is: 126,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,379.36 : 225,459.24 = 91,755.92 : x
  2. Step 2: Convert to fraction form
    163,379.36/225,459.24 = 91,755.92/x
  3. Step 3: Cross multiply
    163,379.36x = 225,459.24 × 91,755.92
  4. Step 4: Simplify right side
    163,379.36x = 20,687,219,988.70
  5. Step 5: Solve for x
    x = 20,687,219,988.70/163,379.36
  6. Step 6: Final answer
    x = 126,620.77

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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.