Home / 112,260.60-168,390.66-45,685.90

Finding the Fourth Proportional to 112,260.60, 168,390.66 and 45,685.90

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Solution

The fourth proportional to 112,260.60, 168,390.66 and 45,685.90 is: 68,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,260.60 : 168,390.66 = 45,685.90 : x
  2. Step 2: Convert to fraction form
    112,260.60/168,390.66 = 45,685.90/x
  3. Step 3: Cross multiply
    112,260.60x = 168,390.66 × 45,685.90
  4. Step 4: Simplify right side
    112,260.60x = 7,693,078,853.69
  5. Step 5: Solve for x
    x = 7,693,078,853.69/112,260.60
  6. Step 6: Final answer
    x = 68,528.75

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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.