Home / 160,945.19-222,003.31-103,658.75

Finding the Fourth Proportional to 160,945.19, 222,003.31 and 103,658.75

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Solution

The fourth proportional to 160,945.19, 222,003.31 and 103,658.75 is: 142,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,945.19 : 222,003.31 = 103,658.75 : x
  2. Step 2: Convert to fraction form
    160,945.19/222,003.31 = 103,658.75/x
  3. Step 3: Cross multiply
    160,945.19x = 222,003.31 × 103,658.75
  4. Step 4: Simplify right side
    160,945.19x = 23,012,585,610.46
  5. Step 5: Solve for x
    x = 23,012,585,610.46/160,945.19
  6. Step 6: Final answer
    x = 142,983.99

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1.5x scale

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.