Home / 274,767.18-412,209.81-85,223.58

Finding the Fourth Proportional to 274,767.18, 412,209.81 and 85,223.58

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Solution

The fourth proportional to 274,767.18, 412,209.81 and 85,223.58 is: 127,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,767.18 : 412,209.81 = 85,223.58 : x
  2. Step 2: Convert to fraction form
    274,767.18/412,209.81 = 85,223.58/x
  3. Step 3: Cross multiply
    274,767.18x = 412,209.81 × 85,223.58
  4. Step 4: Simplify right side
    274,767.18x = 35,129,995,719.32
  5. Step 5: Solve for x
    x = 35,129,995,719.32/274,767.18
  6. Step 6: Final answer
    x = 127,853.68

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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.