Home / 185,745.54-278,581.32-90,935.04

Finding the Fourth Proportional to 185,745.54, 278,581.32 and 90,935.04

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Solution

The fourth proportional to 185,745.54, 278,581.32 and 90,935.04 is: 136,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,745.54 : 278,581.32 = 90,935.04 : x
  2. Step 2: Convert to fraction form
    185,745.54/278,581.32 = 90,935.04/x
  3. Step 3: Cross multiply
    185,745.54x = 278,581.32 × 90,935.04
  4. Step 4: Simplify right side
    185,745.54x = 25,332,803,477.45
  5. Step 5: Solve for x
    x = 25,332,803,477.45/185,745.54
  6. Step 6: Final answer
    x = 136,384.45

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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.