Home / 160,972.19-222,040.57-103,685.75

Finding the Fourth Proportional to 160,972.19, 222,040.57 and 103,685.75

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Solution

The fourth proportional to 160,972.19, 222,040.57 and 103,685.75 is: 143,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,972.19 : 222,040.57 = 103,685.75 : x
  2. Step 2: Convert to fraction form
    160,972.19/222,040.57 = 103,685.75/x
  3. Step 3: Cross multiply
    160,972.19x = 222,040.57 × 103,685.75
  4. Step 4: Simplify right side
    160,972.19x = 23,022,443,030.88
  5. Step 5: Solve for x
    x = 23,022,443,030.88/160,972.19
  6. Step 6: Final answer
    x = 143,021.25

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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.