Home / 160,477.72-221,441.37-88,839.80

Finding the Fourth Proportional to 160,477.72, 221,441.37 and 88,839.80

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Solution

The fourth proportional to 160,477.72, 221,441.37 and 88,839.80 is: 122,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,477.72 : 221,441.37 = 88,839.80 : x
  2. Step 2: Convert to fraction form
    160,477.72/221,441.37 = 88,839.80/x
  3. Step 3: Cross multiply
    160,477.72x = 221,441.37 × 88,839.80
  4. Step 4: Simplify right side
    160,477.72x = 19,672,807,022.53
  5. Step 5: Solve for x
    x = 19,672,807,022.53/160,477.72
  6. Step 6: Final answer
    x = 122,589.02

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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.