Home / 163,291.74-225,346.80-91,677.24

Finding the Fourth Proportional to 163,291.74, 225,346.80 and 91,677.24

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Solution

The fourth proportional to 163,291.74, 225,346.80 and 91,677.24 is: 126,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,291.74 : 225,346.80 = 91,677.24 : x
  2. Step 2: Convert to fraction form
    163,291.74/225,346.80 = 91,677.24/x
  3. Step 3: Cross multiply
    163,291.74x = 225,346.80 × 91,677.24
  4. Step 4: Simplify right side
    163,291.74x = 20,659,172,666.83
  5. Step 5: Solve for x
    x = 20,659,172,666.83/163,291.74
  6. Step 6: Final answer
    x = 126,516.95

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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.