Home / 160,234.96-221,115.24-87,623.44

Finding the Fourth Proportional to 160,234.96, 221,115.24 and 87,623.44

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Solution

The fourth proportional to 160,234.96, 221,115.24 and 87,623.44 is: 120,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,234.96 : 221,115.24 = 87,623.44 : x
  2. Step 2: Convert to fraction form
    160,234.96/221,115.24 = 87,623.44/x
  3. Step 3: Cross multiply
    160,234.96x = 221,115.24 × 87,623.44
  4. Step 4: Simplify right side
    160,234.96x = 19,374,878,184.28
  5. Step 5: Solve for x
    x = 19,374,878,184.28/160,234.96
  6. Step 6: Final answer
    x = 120,915.42

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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.