Home / 168,462.30-232,394.13-100,431.36

Finding the Fourth Proportional to 168,462.30, 232,394.13 and 100,431.36

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Solution

The fourth proportional to 168,462.30, 232,394.13 and 100,431.36 is: 138,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,462.30 : 232,394.13 = 100,431.36 : x
  2. Step 2: Convert to fraction form
    168,462.30/232,394.13 = 100,431.36/x
  3. Step 3: Cross multiply
    168,462.30x = 232,394.13 × 100,431.36
  4. Step 4: Simplify right side
    168,462.30x = 23,339,658,531.92
  5. Step 5: Solve for x
    x = 23,339,658,531.92/168,462.30
  6. Step 6: Final answer
    x = 138,545.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.