Home / 140,324.36-210,339.52-65,382.70

Finding the Fourth Proportional to 140,324.36, 210,339.52 and 65,382.70

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Solution

The fourth proportional to 140,324.36, 210,339.52 and 65,382.70 is: 98,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,324.36 : 210,339.52 = 65,382.70 : x
  2. Step 2: Convert to fraction form
    140,324.36/210,339.52 = 65,382.70/x
  3. Step 3: Cross multiply
    140,324.36x = 210,339.52 × 65,382.70
  4. Step 4: Simplify right side
    140,324.36x = 13,752,565,734.30
  5. Step 5: Solve for x
    x = 13,752,565,734.30/140,324.36
  6. Step 6: Final answer
    x = 98,005.55

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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.