Home / 146,442.06-219,789.45-71,617.50

Finding the Fourth Proportional to 146,442.06, 219,789.45 and 71,617.50

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Solution

The fourth proportional to 146,442.06, 219,789.45 and 71,617.50 is: 107,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,442.06 : 219,789.45 = 71,617.50 : x
  2. Step 2: Convert to fraction form
    146,442.06/219,789.45 = 71,617.50/x
  3. Step 3: Cross multiply
    146,442.06x = 219,789.45 × 71,617.50
  4. Step 4: Simplify right side
    146,442.06x = 15,740,770,935.38
  5. Step 5: Solve for x
    x = 15,740,770,935.38/146,442.06
  6. Step 6: Final answer
    x = 107,488.05

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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.