Home / 185,790.54-278,420.13-148,464.12

Finding the Fourth Proportional to 185,790.54, 278,420.13 and 148,464.12

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Solution

The fourth proportional to 185,790.54, 278,420.13 and 148,464.12 is: 222,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,790.54 : 278,420.13 = 148,464.12 : x
  2. Step 2: Convert to fraction form
    185,790.54/278,420.13 = 148,464.12/x
  3. Step 3: Cross multiply
    185,790.54x = 278,420.13 × 148,464.12
  4. Step 4: Simplify right side
    185,790.54x = 41,335,399,590.74
  5. Step 5: Solve for x
    x = 41,335,399,590.74/185,790.54
  6. Step 6: Final answer
    x = 222,483.88

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1.5x scale

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.