Home / 238,766.54-358,034.58-138,949.02

Finding the Fourth Proportional to 238,766.54, 358,034.58 and 138,949.02

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Solution

The fourth proportional to 238,766.54, 358,034.58 and 138,949.02 is: 208,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,766.54 : 358,034.58 = 138,949.02 : x
  2. Step 2: Convert to fraction form
    238,766.54/358,034.58 = 138,949.02/x
  3. Step 3: Cross multiply
    238,766.54x = 358,034.58 × 138,949.02
  4. Step 4: Simplify right side
    238,766.54x = 49,748,554,017.11
  5. Step 5: Solve for x
    x = 49,748,554,017.11/238,766.54
  6. Step 6: Final answer
    x = 208,356.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.