Home / 116,422.50-160,663.26-66,121.50

Finding the Fourth Proportional to 116,422.50, 160,663.26 and 66,121.50

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Solution

The fourth proportional to 116,422.50, 160,663.26 and 66,121.50 is: 91,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,422.50 : 160,663.26 = 66,121.50 : x
  2. Step 2: Convert to fraction form
    116,422.50/160,663.26 = 66,121.50/x
  3. Step 3: Cross multiply
    116,422.50x = 160,663.26 × 66,121.50
  4. Step 4: Simplify right side
    116,422.50x = 10,623,295,746.09
  5. Step 5: Solve for x
    x = 10,623,295,746.09/116,422.50
  6. Step 6: Final answer
    x = 91,247.79

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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.