Home / 111,943.50-167,911.80-45,365.76

Finding the Fourth Proportional to 111,943.50, 167,911.80 and 45,365.76

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Solution

The fourth proportional to 111,943.50, 167,911.80 and 45,365.76 is: 68,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,943.50 : 167,911.80 = 45,365.76 : x
  2. Step 2: Convert to fraction form
    111,943.50/167,911.80 = 45,365.76/x
  3. Step 3: Cross multiply
    111,943.50x = 167,911.80 × 45,365.76
  4. Step 4: Simplify right side
    111,943.50x = 7,617,446,419.97
  5. Step 5: Solve for x
    x = 7,617,446,419.97/111,943.50
  6. Step 6: Final answer
    x = 68,047.24

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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.