Home / 163,839.40-225,957.06-127,973.80

Finding the Fourth Proportional to 163,839.40, 225,957.06 and 127,973.80

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Solution

The fourth proportional to 163,839.40, 225,957.06 and 127,973.80 is: 176,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,839.40 : 225,957.06 = 127,973.80 : x
  2. Step 2: Convert to fraction form
    163,839.40/225,957.06 = 127,973.80/x
  3. Step 3: Cross multiply
    163,839.40x = 225,957.06 × 127,973.80
  4. Step 4: Simplify right side
    163,839.40x = 28,916,583,605.03
  5. Step 5: Solve for x
    x = 28,916,583,605.03/163,839.40
  6. Step 6: Final answer
    x = 176,493.47

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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.