Home / 238,918.22-329,688.87-136,942.46

Finding the Fourth Proportional to 238,918.22, 329,688.87 and 136,942.46

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Solution

The fourth proportional to 238,918.22, 329,688.87 and 136,942.46 is: 188,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,918.22 : 329,688.87 = 136,942.46 : x
  2. Step 2: Convert to fraction form
    238,918.22/329,688.87 = 136,942.46/x
  3. Step 3: Cross multiply
    238,918.22x = 329,688.87 × 136,942.46
  4. Step 4: Simplify right side
    238,918.22x = 45,148,404,892.42
  5. Step 5: Solve for x
    x = 45,148,404,892.42/238,918.22
  6. Step 6: Final answer
    x = 188,970.12

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1.5x scale

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.