Home / 189,333.80-261,267.19-106,559.86

Finding the Fourth Proportional to 189,333.80, 261,267.19 and 106,559.86

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Solution

The fourth proportional to 189,333.80, 261,267.19 and 106,559.86 is: 147,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,333.80 : 261,267.19 = 106,559.86 : x
  2. Step 2: Convert to fraction form
    189,333.80/261,267.19 = 106,559.86/x
  3. Step 3: Cross multiply
    189,333.80x = 261,267.19 × 106,559.86
  4. Step 4: Simplify right side
    189,333.80x = 27,840,594,269.43
  5. Step 5: Solve for x
    x = 27,840,594,269.43/189,333.80
  6. Step 6: Final answer
    x = 147,045.03

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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.