Home / 140,323.92-210,338.86-65,382.26

Finding the Fourth Proportional to 140,323.92, 210,338.86 and 65,382.26

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Solution

The fourth proportional to 140,323.92, 210,338.86 and 65,382.26 is: 98,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,323.92 : 210,338.86 = 65,382.26 : x
  2. Step 2: Convert to fraction form
    140,323.92/210,338.86 = 65,382.26/x
  3. Step 3: Cross multiply
    140,323.92x = 210,338.86 × 65,382.26
  4. Step 4: Simplify right side
    140,323.92x = 13,752,430,032.62
  5. Step 5: Solve for x
    x = 13,752,430,032.62/140,323.92
  6. Step 6: Final answer
    x = 98,004.89

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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.