Home / 195,964.61-270,488.72-127,991.98

Finding the Fourth Proportional to 195,964.61, 270,488.72 and 127,991.98

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Solution

The fourth proportional to 195,964.61, 270,488.72 and 127,991.98 is: 176,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,964.61 : 270,488.72 = 127,991.98 : x
  2. Step 2: Convert to fraction form
    195,964.61/270,488.72 = 127,991.98/x
  3. Step 3: Cross multiply
    195,964.61x = 270,488.72 × 127,991.98
  4. Step 4: Simplify right side
    195,964.61x = 34,620,384,848.06
  5. Step 5: Solve for x
    x = 34,620,384,848.06/195,964.61
  6. Step 6: Final answer
    x = 176,666.52

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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.