Home / 140,422.81-210,634.23-46,928.56

Finding the Fourth Proportional to 140,422.81, 210,634.23 and 46,928.56

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Solution

The fourth proportional to 140,422.81, 210,634.23 and 46,928.56 is: 70,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,422.81 : 210,634.23 = 46,928.56 : x
  2. Step 2: Convert to fraction form
    140,422.81/210,634.23 = 46,928.56/x
  3. Step 3: Cross multiply
    140,422.81x = 210,634.23 × 46,928.56
  4. Step 4: Simplify right side
    140,422.81x = 9,884,761,100.61
  5. Step 5: Solve for x
    x = 9,884,761,100.61/140,422.81
  6. Step 6: Final answer
    x = 70,392.85

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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.