Home / 119,285.22-178,933.29-84,380.70

Finding the Fourth Proportional to 119,285.22, 178,933.29 and 84,380.70

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Solution

The fourth proportional to 119,285.22, 178,933.29 and 84,380.70 is: 126,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,285.22 : 178,933.29 = 84,380.70 : x
  2. Step 2: Convert to fraction form
    119,285.22/178,933.29 = 84,380.70/x
  3. Step 3: Cross multiply
    119,285.22x = 178,933.29 × 84,380.70
  4. Step 4: Simplify right side
    119,285.22x = 15,098,516,263.50
  5. Step 5: Solve for x
    x = 15,098,516,263.50/119,285.22
  6. Step 6: Final answer
    x = 126,574.91

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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.