Home / 189,054.10-283,664.53-100,285.83

Finding the Fourth Proportional to 189,054.10, 283,664.53 and 100,285.83

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Solution

The fourth proportional to 189,054.10, 283,664.53 and 100,285.83 is: 150,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,054.10 : 283,664.53 = 100,285.83 : x
  2. Step 2: Convert to fraction form
    189,054.10/283,664.53 = 100,285.83/x
  3. Step 3: Cross multiply
    189,054.10x = 283,664.53 × 100,285.83
  4. Step 4: Simplify right side
    189,054.10x = 28,447,532,957.97
  5. Step 5: Solve for x
    x = 28,447,532,957.97/189,054.10
  6. Step 6: Final answer
    x = 150,472.97

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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.