Home / 238,668.14-329,364.08-136,702.91

Finding the Fourth Proportional to 238,668.14, 329,364.08 and 136,702.91

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Solution

The fourth proportional to 238,668.14, 329,364.08 and 136,702.91 is: 188,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,668.14 : 329,364.08 = 136,702.91 : x
  2. Step 2: Convert to fraction form
    238,668.14/329,364.08 = 136,702.91/x
  3. Step 3: Cross multiply
    238,668.14x = 329,364.08 × 136,702.91
  4. Step 4: Simplify right side
    238,668.14x = 45,025,025,855.14
  5. Step 5: Solve for x
    x = 45,025,025,855.14/238,668.14
  6. Step 6: Final answer
    x = 188,651.18

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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.