Home / 112,257.60-168,240.14-45,619.84

Finding the Fourth Proportional to 112,257.60, 168,240.14 and 45,619.84

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Solution

The fourth proportional to 112,257.60, 168,240.14 and 45,619.84 is: 68,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,257.60 : 168,240.14 = 45,619.84 : x
  2. Step 2: Convert to fraction form
    112,257.60/168,240.14 = 45,619.84/x
  3. Step 3: Cross multiply
    112,257.60x = 168,240.14 × 45,619.84
  4. Step 4: Simplify right side
    112,257.60x = 7,675,088,268.38
  5. Step 5: Solve for x
    x = 7,675,088,268.38/112,257.60
  6. Step 6: Final answer
    x = 68,370.32

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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.