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Finding the Fourth Proportional to 159,745.97, 220,450.16 and 88,125.98

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Solution

The fourth proportional to 159,745.97, 220,450.16 and 88,125.98 is: 121,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,745.97 : 220,450.16 = 88,125.98 : x
  2. Step 2: Convert to fraction form
    159,745.97/220,450.16 = 88,125.98/x
  3. Step 3: Cross multiply
    159,745.97x = 220,450.16 × 88,125.98
  4. Step 4: Simplify right side
    159,745.97x = 19,427,385,509.22
  5. Step 5: Solve for x
    x = 19,427,385,509.22/159,745.97
  6. Step 6: Final answer
    x = 121,614.24

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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.