Home / 119,832.48-165,494.16-75,145.12

Finding the Fourth Proportional to 119,832.48, 165,494.16 and 75,145.12

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Solution

The fourth proportional to 119,832.48, 165,494.16 and 75,145.12 is: 103,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,832.48 : 165,494.16 = 75,145.12 : x
  2. Step 2: Convert to fraction form
    119,832.48/165,494.16 = 75,145.12/x
  3. Step 3: Cross multiply
    119,832.48x = 165,494.16 × 75,145.12
  4. Step 4: Simplify right side
    119,832.48x = 12,436,078,512.50
  5. Step 5: Solve for x
    x = 12,436,078,512.50/119,832.48
  6. Step 6: Final answer
    x = 103,778.86

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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.