Home / 160,327.53-221,243.94-87,728.85

Finding the Fourth Proportional to 160,327.53, 221,243.94 and 87,728.85

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Solution

The fourth proportional to 160,327.53, 221,243.94 and 87,728.85 is: 121,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,327.53 : 221,243.94 = 87,728.85 : x
  2. Step 2: Convert to fraction form
    160,327.53/221,243.94 = 87,728.85/x
  3. Step 3: Cross multiply
    160,327.53x = 221,243.94 × 87,728.85
  4. Step 4: Simplify right side
    160,327.53x = 19,409,476,425.67
  5. Step 5: Solve for x
    x = 19,409,476,425.67/160,327.53
  6. Step 6: Final answer
    x = 121,061.41

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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.