Home / 112,016.88-168,031.44-45,447.12

Finding the Fourth Proportional to 112,016.88, 168,031.44 and 45,447.12

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Solution

The fourth proportional to 112,016.88, 168,031.44 and 45,447.12 is: 68,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,016.88 : 168,031.44 = 45,447.12 : x
  2. Step 2: Convert to fraction form
    112,016.88/168,031.44 = 45,447.12/x
  3. Step 3: Cross multiply
    112,016.88x = 168,031.44 × 45,447.12
  4. Step 4: Simplify right side
    112,016.88x = 7,636,545,017.45
  5. Step 5: Solve for x
    x = 7,636,545,017.45/112,016.88
  6. Step 6: Final answer
    x = 68,173.16

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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.