Home / 112,020.50-168,026.42-27,780.86

Finding the Fourth Proportional to 112,020.50, 168,026.42 and 27,780.86

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Solution

The fourth proportional to 112,020.50, 168,026.42 and 27,780.86 is: 41,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.50 : 168,026.42 = 27,780.86 : x
  2. Step 2: Convert to fraction form
    112,020.50/168,026.42 = 27,780.86/x
  3. Step 3: Cross multiply
    112,020.50x = 168,026.42 × 27,780.86
  4. Step 4: Simplify right side
    112,020.50x = 4,667,918,450.32
  5. Step 5: Solve for x
    x = 4,667,918,450.32/112,020.50
  6. Step 6: Final answer
    x = 41,670.22

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1.5x scale

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.