Home / 111,332.15-166,998.23-73,278.35

Finding the Fourth Proportional to 111,332.15, 166,998.23 and 73,278.35

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Solution

The fourth proportional to 111,332.15, 166,998.23 and 73,278.35 is: 109,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,332.15 : 166,998.23 = 73,278.35 : x
  2. Step 2: Convert to fraction form
    111,332.15/166,998.23 = 73,278.35/x
  3. Step 3: Cross multiply
    111,332.15x = 166,998.23 × 73,278.35
  4. Step 4: Simplify right side
    111,332.15x = 12,237,354,747.32
  5. Step 5: Solve for x
    x = 12,237,354,747.32/111,332.15
  6. Step 6: Final answer
    x = 109,917.53

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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.