Home / 160,648.20-221,695.80-89,029.42

Finding the Fourth Proportional to 160,648.20, 221,695.80 and 89,029.42

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Solution

The fourth proportional to 160,648.20, 221,695.80 and 89,029.42 is: 122,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,648.20 : 221,695.80 = 89,029.42 : x
  2. Step 2: Convert to fraction form
    160,648.20/221,695.80 = 89,029.42/x
  3. Step 3: Cross multiply
    160,648.20x = 221,695.80 × 89,029.42
  4. Step 4: Simplify right side
    160,648.20x = 19,737,448,490.44
  5. Step 5: Solve for x
    x = 19,737,448,490.44/160,648.20
  6. Step 6: Final answer
    x = 122,861.31

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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.