Home / 179,636.12-247,894.40-99,071.09

Finding the Fourth Proportional to 179,636.12, 247,894.40 and 99,071.09

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Solution

The fourth proportional to 179,636.12, 247,894.40 and 99,071.09 is: 136,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,636.12 : 247,894.40 = 99,071.09 : x
  2. Step 2: Convert to fraction form
    179,636.12/247,894.40 = 99,071.09/x
  3. Step 3: Cross multiply
    179,636.12x = 247,894.40 × 99,071.09
  4. Step 4: Simplify right side
    179,636.12x = 24,559,167,917.54
  5. Step 5: Solve for x
    x = 24,559,167,917.54/179,636.12
  6. Step 6: Final answer
    x = 136,716.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.