Home / 111,313.24-166,985.59-36,439.46

Finding the Fourth Proportional to 111,313.24, 166,985.59 and 36,439.46

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Solution

The fourth proportional to 111,313.24, 166,985.59 and 36,439.46 is: 54,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,313.24 : 166,985.59 = 36,439.46 : x
  2. Step 2: Convert to fraction form
    111,313.24/166,985.59 = 36,439.46/x
  3. Step 3: Cross multiply
    111,313.24x = 166,985.59 × 36,439.46
  4. Step 4: Simplify right side
    111,313.24x = 6,084,864,727.38
  5. Step 5: Solve for x
    x = 6,084,864,727.38/111,313.24
  6. Step 6: Final answer
    x = 54,664.34

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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.