Home / 140,712.48-210,846.36-112,813.64

Finding the Fourth Proportional to 140,712.48, 210,846.36 and 112,813.64

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Solution

The fourth proportional to 140,712.48, 210,846.36 and 112,813.64 is: 169,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,712.48 : 210,846.36 = 112,813.64 : x
  2. Step 2: Convert to fraction form
    140,712.48/210,846.36 = 112,813.64/x
  3. Step 3: Cross multiply
    140,712.48x = 210,846.36 × 112,813.64
  4. Step 4: Simplify right side
    140,712.48x = 23,786,345,352.35
  5. Step 5: Solve for x
    x = 23,786,345,352.35/140,712.48
  6. Step 6: Final answer
    x = 169,042.19

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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.