Home / 112,399.75-168,595.73-28,160.63

Finding the Fourth Proportional to 112,399.75, 168,595.73 and 28,160.63

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Solution

The fourth proportional to 112,399.75, 168,595.73 and 28,160.63 is: 42,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,399.75 : 168,595.73 = 28,160.63 : x
  2. Step 2: Convert to fraction form
    112,399.75/168,595.73 = 28,160.63/x
  3. Step 3: Cross multiply
    112,399.75x = 168,595.73 × 28,160.63
  4. Step 4: Simplify right side
    112,399.75x = 4,747,761,726.16
  5. Step 5: Solve for x
    x = 4,747,761,726.16/112,399.75
  6. Step 6: Final answer
    x = 42,239.97

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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.