Home / 112,173.28-168,213.84-42,016.48

Finding the Fourth Proportional to 112,173.28, 168,213.84 and 42,016.48

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Solution

The fourth proportional to 112,173.28, 168,213.84 and 42,016.48 is: 63,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,173.28 : 168,213.84 = 42,016.48 : x
  2. Step 2: Convert to fraction form
    112,173.28/168,213.84 = 42,016.48/x
  3. Step 3: Cross multiply
    112,173.28x = 168,213.84 × 42,016.48
  4. Step 4: Simplify right side
    112,173.28x = 7,067,753,444.08
  5. Step 5: Solve for x
    x = 7,067,753,444.08/112,173.28
  6. Step 6: Final answer
    x = 63,007.46

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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.