Home / 195,668.70-270,018.04-109,631.28

Finding the Fourth Proportional to 195,668.70, 270,018.04 and 109,631.28

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Solution

The fourth proportional to 195,668.70, 270,018.04 and 109,631.28 is: 151,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,668.70 : 270,018.04 = 109,631.28 : x
  2. Step 2: Convert to fraction form
    195,668.70/270,018.04 = 109,631.28/x
  3. Step 3: Cross multiply
    195,668.70x = 270,018.04 × 109,631.28
  4. Step 4: Simplify right side
    195,668.70x = 29,602,423,348.29
  5. Step 5: Solve for x
    x = 29,602,423,348.29/195,668.70
  6. Step 6: Final answer
    x = 151,288.50

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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.