Home / 112,829.60-169,244.40-107,645.60

Finding the Fourth Proportional to 112,829.60, 169,244.40 and 107,645.60

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Solution

The fourth proportional to 112,829.60, 169,244.40 and 107,645.60 is: 161,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,829.60 : 169,244.40 = 107,645.60 : x
  2. Step 2: Convert to fraction form
    112,829.60/169,244.40 = 107,645.60/x
  3. Step 3: Cross multiply
    112,829.60x = 169,244.40 × 107,645.60
  4. Step 4: Simplify right side
    112,829.60x = 18,218,414,984.64
  5. Step 5: Solve for x
    x = 18,218,414,984.64/112,829.60
  6. Step 6: Final answer
    x = 161,468.40

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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.