Home / 112,069.60-168,104.40-40,992.10

Finding the Fourth Proportional to 112,069.60, 168,104.40 and 40,992.10

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Solution

The fourth proportional to 112,069.60, 168,104.40 and 40,992.10 is: 61,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,069.60 : 168,104.40 = 40,992.10 : x
  2. Step 2: Convert to fraction form
    112,069.60/168,104.40 = 40,992.10/x
  3. Step 3: Cross multiply
    112,069.60x = 168,104.40 × 40,992.10
  4. Step 4: Simplify right side
    112,069.60x = 6,890,952,375.24
  5. Step 5: Solve for x
    x = 6,890,952,375.24/112,069.60
  6. Step 6: Final answer
    x = 61,488.15

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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.