Home / 119,293.11-178,910.15-71,274.83

Finding the Fourth Proportional to 119,293.11, 178,910.15 and 71,274.83

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Solution

The fourth proportional to 119,293.11, 178,910.15 and 71,274.83 is: 106,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,293.11 : 178,910.15 = 71,274.83 : x
  2. Step 2: Convert to fraction form
    119,293.11/178,910.15 = 71,274.83/x
  3. Step 3: Cross multiply
    119,293.11x = 178,910.15 × 71,274.83
  4. Step 4: Simplify right side
    119,293.11x = 12,751,789,275.60
  5. Step 5: Solve for x
    x = 12,751,789,275.60/119,293.11
  6. Step 6: Final answer
    x = 106,894.60

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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.