Home / 140,422.56-210,633.86-46,928.31

Finding the Fourth Proportional to 140,422.56, 210,633.86 and 46,928.31

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Solution

The fourth proportional to 140,422.56, 210,633.86 and 46,928.31 is: 70,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,422.56 : 210,633.86 = 46,928.31 : x
  2. Step 2: Convert to fraction form
    140,422.56/210,633.86 = 46,928.31/x
  3. Step 3: Cross multiply
    140,422.56x = 210,633.86 × 46,928.31
  4. Step 4: Simplify right side
    140,422.56x = 9,884,691,078.58
  5. Step 5: Solve for x
    x = 9,884,691,078.58/140,422.56
  6. Step 6: Final answer
    x = 70,392.47

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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.