Home / 112,218.28-168,327.69-45,611.44

Finding the Fourth Proportional to 112,218.28, 168,327.69 and 45,611.44

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Solution

The fourth proportional to 112,218.28, 168,327.69 and 45,611.44 is: 68,417.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,218.28 : 168,327.69 = 45,611.44 : x
  2. Step 2: Convert to fraction form
    112,218.28/168,327.69 = 45,611.44/x
  3. Step 3: Cross multiply
    112,218.28x = 168,327.69 × 45,611.44
  4. Step 4: Simplify right side
    112,218.28x = 7,677,668,332.77
  5. Step 5: Solve for x
    x = 7,677,668,332.77/112,218.28
  6. Step 6: Final answer
    x = 68,417.27

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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.