Home / 238,039.75-328,500.92-130,609.75

Finding the Fourth Proportional to 238,039.75, 328,500.92 and 130,609.75

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Solution

The fourth proportional to 238,039.75, 328,500.92 and 130,609.75 is: 180,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,039.75 : 328,500.92 = 130,609.75 : x
  2. Step 2: Convert to fraction form
    238,039.75/328,500.92 = 130,609.75/x
  3. Step 3: Cross multiply
    238,039.75x = 328,500.92 × 130,609.75
  4. Step 4: Simplify right side
    238,039.75x = 42,905,423,035.97
  5. Step 5: Solve for x
    x = 42,905,423,035.97/238,039.75
  6. Step 6: Final answer
    x = 180,244.78

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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.