Home / 238,975.26-329,747.25-136,981.95

Finding the Fourth Proportional to 238,975.26, 329,747.25 and 136,981.95

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Solution

The fourth proportional to 238,975.26, 329,747.25 and 136,981.95 is: 189,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,975.26 : 329,747.25 = 136,981.95 : x
  2. Step 2: Convert to fraction form
    238,975.26/329,747.25 = 136,981.95/x
  3. Step 3: Cross multiply
    238,975.26x = 329,747.25 × 136,981.95
  4. Step 4: Simplify right side
    238,975.26x = 45,169,421,312.14
  5. Step 5: Solve for x
    x = 45,169,421,312.14/238,975.26
  6. Step 6: Final answer
    x = 189,012.96

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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.