Home / 163,248.82-225,266.06-91,636.72

Finding the Fourth Proportional to 163,248.82, 225,266.06 and 91,636.72

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Solution

The fourth proportional to 163,248.82, 225,266.06 and 91,636.72 is: 126,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,248.82 : 225,266.06 = 91,636.72 : x
  2. Step 2: Convert to fraction form
    163,248.82/225,266.06 = 91,636.72/x
  3. Step 3: Cross multiply
    163,248.82x = 225,266.06 × 91,636.72
  4. Step 4: Simplify right side
    163,248.82x = 20,642,642,531.65
  5. Step 5: Solve for x
    x = 20,642,642,531.65/163,248.82
  6. Step 6: Final answer
    x = 126,448.96

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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.