Home / 163,252.40-225,272.76-91,616

Finding the Fourth Proportional to 163,252.40, 225,272.76 and 91,616

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Solution

The fourth proportional to 163,252.40, 225,272.76 and 91,616 is: 126,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,252.40 : 225,272.76 = 91,616 : x
  2. Step 2: Convert to fraction form
    163,252.40/225,272.76 = 91,616/x
  3. Step 3: Cross multiply
    163,252.40x = 225,272.76 × 91,616
  4. Step 4: Simplify right side
    163,252.40x = 20,638,589,180.16
  5. Step 5: Solve for x
    x = 20,638,589,180.16/163,252.40
  6. Step 6: Final answer
    x = 126,421.35

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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.