Home / 160,629.40-221,772.18-103,294.36

Finding the Fourth Proportional to 160,629.40, 221,772.18 and 103,294.36

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Solution

The fourth proportional to 160,629.40, 221,772.18 and 103,294.36 is: 142,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,629.40 : 221,772.18 = 103,294.36 : x
  2. Step 2: Convert to fraction form
    160,629.40/221,772.18 = 103,294.36/x
  3. Step 3: Cross multiply
    160,629.40x = 221,772.18 × 103,294.36
  4. Step 4: Simplify right side
    160,629.40x = 22,907,815,398.90
  5. Step 5: Solve for x
    x = 22,907,815,398.90/160,629.40
  6. Step 6: Final answer
    x = 142,612.84

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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.