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Finding the Fourth Proportional to 160,043.56, 220,862.43 and 88,425.23

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Solution

The fourth proportional to 160,043.56, 220,862.43 and 88,425.23 is: 122,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,043.56 : 220,862.43 = 88,425.23 : x
  2. Step 2: Convert to fraction form
    160,043.56/220,862.43 = 88,425.23/x
  3. Step 3: Cross multiply
    160,043.56x = 220,862.43 × 88,425.23
  4. Step 4: Simplify right side
    160,043.56x = 19,529,811,171.11
  5. Step 5: Solve for x
    x = 19,529,811,171.11/160,043.56
  6. Step 6: Final answer
    x = 122,028.10

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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.