Home / 248,631.80-372,947.70-71,149.40

Finding the Fourth Proportional to 248,631.80, 372,947.70 and 71,149.40

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Solution

The fourth proportional to 248,631.80, 372,947.70 and 71,149.40 is: 106,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,631.80 : 372,947.70 = 71,149.40 : x
  2. Step 2: Convert to fraction form
    248,631.80/372,947.70 = 71,149.40/x
  3. Step 3: Cross multiply
    248,631.80x = 372,947.70 × 71,149.40
  4. Step 4: Simplify right side
    248,631.80x = 26,535,005,086.38
  5. Step 5: Solve for x
    x = 26,535,005,086.38/248,631.80
  6. Step 6: Final answer
    x = 106,724.10

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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.