Home / 112,412.82-168,615.18-28,173.63

Finding the Fourth Proportional to 112,412.82, 168,615.18 and 28,173.63

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Solution

The fourth proportional to 112,412.82, 168,615.18 and 28,173.63 is: 42,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,412.82 : 168,615.18 = 28,173.63 : x
  2. Step 2: Convert to fraction form
    112,412.82/168,615.18 = 28,173.63/x
  3. Step 3: Cross multiply
    112,412.82x = 168,615.18 × 28,173.63
  4. Step 4: Simplify right side
    112,412.82x = 4,750,501,693.70
  5. Step 5: Solve for x
    x = 4,750,501,693.70/112,412.82
  6. Step 6: Final answer
    x = 42,259.43

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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.