Home / 247,086.05-340,976.52-138,190.19

Finding the Fourth Proportional to 247,086.05, 340,976.52 and 138,190.19

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Solution

The fourth proportional to 247,086.05, 340,976.52 and 138,190.19 is: 190,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,086.05 : 340,976.52 = 138,190.19 : x
  2. Step 2: Convert to fraction form
    247,086.05/340,976.52 = 138,190.19/x
  3. Step 3: Cross multiply
    247,086.05x = 340,976.52 × 138,190.19
  4. Step 4: Simplify right side
    247,086.05x = 47,119,608,379.46
  5. Step 5: Solve for x
    x = 47,119,608,379.46/247,086.05
  6. Step 6: Final answer
    x = 190,701.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.